Issue summary: A timing side-channel which could potentially allow recovering the private key exists in the ECDSA signature computation. Impact summary: A timing side-channel in ECDSA signature computations could allow recovering the private key by an attacker. However, measuring the timing would require either local access to the signing application or a very fast network connection with low latency. There is a timing signal of around 300 nanoseconds when the top word of the inverted ECDSA nonce value is zero. This can happen with significant probability only for some of the supported elliptic curves. In particular the NIST P-521 curve is affected. To be able to measure this leak, the attacker process must either be located in the same physical computer or must have a very fast network connection with low latency. For that reason the severity of this vulnerability is Low. The FIPS modules in 3.4, 3.3, 3.2, 3.1 and 3.0 are affected by this issue.

oracle CPUApr2025: Oracle Essbase Security Update

oracle CPUApr2025: MySQL Connectors

oracle CPUApr2025: Oracle Database Server

According to its self-reported version, the Tenable Security Center running on the remote host is version 6.3.0, 6.4.0, 6.4.5, or 6.5.1. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2025-04 advisory.

  - When curl is asked to use HSTS, the expiry time for a subdomain might overwrite a parent domain's cache     entry, making it end sooner or later than otherwise intended. This affects curl using applications that     enable HSTS and use URLs with the insecure `HTTP://` scheme and perform transfers with hosts like     `x.example.com` as well as `example.com` where the first host is a subdomain of the second host. (The HSTS     cache either needs to have been populated manually or there needs to have been previous HTTPS accesses     done as the cache needs to have entries for the domains involved to trigger this problem.) When     `x.example.com` responds with `Strict-Transport-Security:` headers, this bug can make the subdomain's     expiry timeout *bleed over* and get set for the parent domain `example.com` in curl's HSTS cache. The     result of a triggered bug is that HTTP accesses to `example.com` get converted to HTTPS for a different     period of time than what was asked for by the origin server. If `example.com` for example stops supporting     HTTPS at its expiry time, curl might then fail to access `http://example.com` until the (wrongly set)     timeout expires. This bug can also expire the parent's entry *earlier*, thus making curl inadvertently     switch back to insecure HTTP earlier than otherwise intended. (CVE-2024-9681)

  - Use of the low-level GF(2^m) elliptic curve APIs with untrusted explicit values for the field polynomial     can lead to out-of-bounds memory reads or writes. (CVE-2024-9143)

  - Issue summary: Use of the low-level GF(2^m) elliptic curve APIs with untrusted explicit values for the     field polynomial can lead to out-of-bounds memory reads or writes. Impact summary: Out of bound memory     writes can lead to an application crash or even a possibility of a remote code execution, however, in all     the protocols involving Elliptic Curve Cryptography that we're aware of, either only named curves are     supported, or, if explicit curve parameters are supported, they specify an X9.62 encoding of binary     (GF(2^m)) curves that can't represent problematic input values. Thus the likelihood of existence of a     vulnerable application is low. In particular, the X9.62 encoding is used for ECC keys in X.509     certificates, so problematic inputs cannot occur in the context of processing X.509 certificates. Any     problematic use-cases would have to be using an exotic curve encoding. The affected APIs include:
    EC_GROUP_new_curve_GF2m(), EC_GROUP_new_from_params(), and various supporting BN_GF2m_*() functions.
    Applications working with exotic explicit binary (GF(2^m)) curve parameters, that make it possible to     represent invalid field polynomials with a zero constant term, via the above or similar APIs, may     terminate abruptly as a result of reading or writing outside of array bounds. Remote code execution cannot     easily be ruled out. The FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.
    (CVE-2024-9143)

  - When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, curl could leak the     password used for the first host to the followed-to host under certain circumstances. This flaw only     manifests itself if the netrc file has an entry that matches the redirect target hostname but the entry     either omits just the password or omits both login and password. (CVE-2024-11053)

  - Issue summary: A timing side-channel which could potentially allow recovering the private key exists in     the ECDSA signature computation. Impact summary: A timing side-channel in ECDSA signature computations     could allow recovering the private key by an attacker. However, measuring the timing would require either     local access to the signing application or a very fast network connection with low latency. There is a     timing signal of around 300 nanoseconds when the top word of the inverted ECDSA nonce value is zero. This     can happen with significant probability only for some of the supported elliptic curves. In particular the     NIST P-521 curve is affected. To be able to measure this leak, the attacker process must either be located     in the same physical computer or must have a very fast network connection with low latency. For that     reason the severity of this vulnerability is Low. The FIPS modules in 3.4, 3.3, 3.2, 3.1 and 3.0 are     affected by this issue. (CVE-2024-13176)

  - libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect     an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte     localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some     however accept the input pointer and add that memory to its list of available chunks. This leads to the     overwriting of nearby stack memory. The content of the overwrite is decided by the `free()`     implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this     flaw is a crash, although it cannot be ruled out that more serious results can be had in special     circumstances. (CVE-2024-6197)

  - libcurl's URL API function [curl_url_get()](https://curl.se/libcurl/c/curl_url_get.html) offers punycode     conversions, to and from IDN. Asking to convert a name that is exactly 256 bytes, libcurl ends up reading     outside of a stack based buffer when built to use the *macidn* IDN backend. The conversion function then     fills up the provided buffer exactly - but does not null terminate the string. This flaw can lead to stack     contents accidently getting returned as part of the converted string. (CVE-2024-6874)

  - libcurl's ASN1 parser code has the `GTime2str()` function, used for parsing an ASN.1 Generalized Time     field. If given an syntactically incorrect field, the parser might end up using -1 for the length of the
    *time fraction*, leading to a `strlen()` getting performed on a pointer to a heap buffer area that is not     (purposely) null terminated. This flaw most likely leads to a crash, but can also lead to heap contents     getting returned to the application when     [CURLINFO_CERTINFO](https://curl.se/libcurl/c/CURLINFO_CERTINFO.html) is used. (CVE-2024-7264)

  - When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling,     to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead     wrongly consider the response as fine. If the returned status reports another error than 'revoked' (like     for example 'unauthorized') it is not treated as a bad certficate. (CVE-2024-8096)

  - When asked to use a `.netrc` file for credentials **and** to follow HTTP redirects, curl could leak the     password used for the first host to the followed-to host under certain circumstances. This flaw only     manifests itself if the netrc file has a `default` entry that omits both login and password. A rare     circumstance. (CVE-2025-0167)

  - libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection channel     after having completed a threaded name resolve. (CVE-2025-0665)

  - When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the     `CURLOPT_ACCEPT_ENCODING` option, **using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow     would make libcurl perform a buffer overflow. (CVE-2025-0725)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when http request module parses HTTP response obtained from a server, folded headers are parsed     incorrectly, which may lead to misinterpreting the response and using incorrect headers, MIME types, etc.
    (CVE-2025-1217)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when requesting a HTTP resource using the DOM or SimpleXML extensions, the wrong content-type     header is used to determine the charset when the requested resource performs a redirect. This may cause     the resulting document to be parsed incorrectly or bypass validations. (CVE-2025-1219)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when receiving headers from HTTP server, the headers missing a colon (:) are treated as valid     headers even though they are not. This may confuse applications into accepting invalid headers.
    (CVE-2025-1734)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when user-supplied headers are sent, the insufficient validation of the end-of-line characters may     prevent certain headers from being sent or lead to certain headers be misinterpreted. (CVE-2025-1736)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when parsing HTTP redirect in the response to an HTTP request, there is currently limit on the     location value size caused by limited size of the location buffer to 1024. However as per RFC9110, the     limit is recommended to be 8000. This may lead to incorrect URL truncation and redirecting to a wrong     location. (CVE-2025-1861)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the openssl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    Issue summary: A timing side-channel which could potentially allow recovering the private key exists in     the ECDSA signature computation. Impact summary: A timing side-channel in ECDSA signature computations     could allow recovering the private key by an attacker. However, measuring the timing would require either     local access to the signing application or a very fast network connection with low latency. There is a     timing signal of around 300 nanoseconds when the top word of the inverted ECDSA nonce value is zero. This     can happen with significant probability only for some of the supported elliptic curves. In particular the     NIST P-521 curve is affected. To be able to measure this leak, the attacker process must either be located     in the same physical computer or must have a very fast network connection with low latency. For that     reason the severity of this vulnerability is Low.(CVE-2024-13176)

Tenable has extracted the preceding description block directly from the EulerOS openssl security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the openssl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    Issue summary: A timing side-channel which could potentially allow recovering the private key exists in     the ECDSA signature computation.  Impact summary: A timing side-channel in ECDSA signature computations     could allow recovering the private key by an attacker. However, measuring the timing would require either     local access to the signing application or a very fast network connection with low latency.  There is a     timing signal of around 300 nanoseconds when the top word of the inverted ECDSA nonce value is zero. This     can happen with significant probability only for some of the supported elliptic curves. In particular the     NIST P-521 curve is affected. To be able to measure this leak, the attacker process must either be located     in the same physical computer or must have a very fast network connection with low latency. For that     reason the severity of this vulnerability is Low.(CVE-2024-13176)

Tenable has extracted the preceding description block directly from the EulerOS openssl security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of openssl installed on the remote host is prior to 1.0.2k-24. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2780 advisory.

    Issue summary: A timing side-channel which could potentially allow recoveringthe private key exists in the     ECDSA signature computation.

    Impact summary: A timing side-channel in ECDSA signature computationscould allow recovering the private     key by an attacker. However, measuringthe timing would require either local access to the signing     application ora very fast network connection with low latency.

    There is a timing signal of around 300 nanoseconds when the top word ofthe inverted ECDSA nonce value is     zero. This can happen with significantprobability only for some of the supported elliptic curves. In     particularthe NIST P-521 curve is affected. To be able to measure this leak, the attackerprocess must     either be located in the same physical computer or musthave a very fast network connection with low     latency. For that reasonthe severity of this vulnerability is Low. (CVE-2024-13176)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of openssl11 installed on the remote host is prior to 1.1.1zb-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2781 advisory.

    Issue summary: A timing side-channel which could potentially allow recoveringthe private key exists in the     ECDSA signature computation.

    Impact summary: A timing side-channel in ECDSA signature computationscould allow recovering the private     key by an attacker. However, measuringthe timing would require either local access to the signing     application ora very fast network connection with low latency.

    There is a timing signal of around 300 nanoseconds when the top word ofthe inverted ECDSA nonce value is     zero. This can happen with significantprobability only for some of the supported elliptic curves. In     particularthe NIST P-521 curve is affected. To be able to measure this leak, the attackerprocess must     either be located in the same physical computer or musthave a very fast network connection with low     latency. For that reasonthe severity of this vulnerability is Low. (CVE-2024-13176)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of openssl-snapsafe installed on the remote host is prior to 1.0.2k-24. It is, therefore, affected by a vulnerability as referenced in the ALAS2OPENSSL-SNAPSAFE-2025-007 advisory.

    Issue summary: A timing side-channel which could potentially allow recoveringthe private key exists in the     ECDSA signature computation.

    Impact summary: A timing side-channel in ECDSA signature computationscould allow recovering the private     key by an attacker. However, measuringthe timing would require either local access to the signing     application ora very fast network connection with low latency.

    There is a timing signal of around 300 nanoseconds when the top word ofthe inverted ECDSA nonce value is     zero. This can happen with significantprobability only for some of the supported elliptic curves. In     particularthe NIST P-521 curve is affected. To be able to measure this leak, the attackerprocess must     either be located in the same physical computer or musthave a very fast network connection with low     latency. For that reasonthe severity of this vulnerability is Low. (CVE-2024-13176)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Issue summary: A timing side-channel which could potentially allow recovering the private key exists in     the ECDSA signature computation. Impact summary: A timing side-channel in ECDSA signature computations     could allow recovering the private key by an attacker. However, measuring the timing would require either     local access to the signing application or a very fast network connection with low latency. There is a     timing signal of around 300 nanoseconds when the top word of the inverted ECDSA nonce value is zero. This     can happen with significant probability only for some of the supported elliptic curves. In particular the     NIST P-521 curve is affected. To be able to measure this leak, the attacker process must either be located     in the same physical computer or must have a very fast network connection with low latency. For that     reason the severity of this vulnerability is Low. (CVE-2024-13176)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:0613-1 advisory.

    - CVE-2024-13176: Fixed timing side-channel in the ECDSA signature computation (bsc#1236136).

    Other bugfixes:

    - Non approved PBKDF parameters wrongly resulting as approved (bsc#1236771).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7278-1 advisory.

    George Pantelakis and Alicja Kario discovered that OpenSSL had a timing side-channel when performing ECDSA     signature computations. A remote attacker could possibly use this issue to recover private data.
    (CVE-2024-13176)

    It was discovered that OpenSSL incorrectly handled certain memory operations when using low-level GF(2^m)     elliptic curve APIs with untrusted explicit values for the field polynomial. When being used in this     uncommon fashion, a remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial     of service, or possibly execute arbitrary code. (CVE-2024-9143)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:0430-1 advisory.

    - CVE-2024-13176: Fixed timing side-channel in ECDSA signature computation (bsc#1236136).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2025:0390-1 advisory.

    - CVE-2024-13176: Fixed timing side-channel in the ECDSA signature computation (bsc#1236136)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 24.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7264-1 advisory.

    It was discovered that OpenSSL clients incorrectly handled authenticating servers using RFC7250 Raw Public     Keys. In certain cases, the connection will not abort as expected, possibly causing the communication to     be intercepted. (CVE-2024-12797)

    George Pantelakis and Alicja Kario discovered that OpenSSL had a timing side-channel when performing ECDSA     signature computations. A remote attacker could possibly use this issue to recover private data.
    (CVE-2024-13176)

    It was discovered that OpenSSL incorrectly handled certain memory operations when using low-level GF(2^m)     elliptic curve APIs with untrusted explicit values for the field polynomial. When being used in this     uncommon fashion, a remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial     of service, or possibly execute arbitrary code. (CVE-2024-9143)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:0356-1 advisory.

    - CVE-2024-13176: Fixed timing side-channel in the ECDSA signature computation (bsc#1236136)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:0388-1 advisory.

    - CVE-2024-13176: Fixed timing side-channel in ECDSA signature computation (bsc#1236136).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:0387-1 advisory.

    - CVE-2024-13176: Fixed timing side-channel in ECDSA signature computation (bsc#1236136).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:0349-1 advisory.

    - CVE-2024-13176: Fixed timing side-channel in the ECDSA signature computation (bsc#1236136)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of openssl installed on the remote host is prior to 1.1.1zb_p2. It is, therefore, affected by a vulnerability as referenced in the SSA:2025-040-01 advisory.

    New openssl packages are available for Slackware 15.0 and -current to fix a security issue.

Tenable has extracted the preceding description block directly from the openssl security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2750 advisory.

    Issue summary: A timing side-channel which could potentially allow recoveringthe private key exists in the     ECDSA signature computation.

    Impact summary: A timing side-channel in ECDSA signature computationscould allow recovering the private     key by an attacker. However, measuringthe timing would require either local access to the signing     application ora very fast network connection with low latency.

    There is a timing signal of around 300 nanoseconds when the top word ofthe inverted ECDSA nonce value is     zero. This can happen with significantprobability only for some of the supported elliptic curves. In     particularthe NIST P-521 curve is affected. To be able to measure this leak, the attackerprocess must     either be located in the same physical computer or musthave a very fast network connection with low     latency. For that reasonthe severity of this vulnerability is Low. (CVE-2024-13176)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
234507	Tenable Security Center Multiple Vulnerabilities (TNS-2025-04)	Nessus	Misc.	high
234177	EulerOS 2.0 SP11 : openssl (EulerOS-SA-2025-1369)	Nessus	Huawei Local Security Checks	medium
234159	EulerOS 2.0 SP11 : openssl (EulerOS-SA-2025-1370)	Nessus	Huawei Local Security Checks	medium
233616	EulerOS 2.0 SP13 : openssl (EulerOS-SA-2025-1338)	Nessus	Huawei Local Security Checks	medium
233608	EulerOS 2.0 SP13 : openssl (EulerOS-SA-2025-1321)	Nessus	Huawei Local Security Checks	medium
232357	Amazon Linux 2 : openssl (ALAS-2025-2780)	Nessus	Amazon Linux Local Security Checks	medium
232356	Amazon Linux 2 : openssl11 (ALAS-2025-2781)	Nessus	Amazon Linux Local Security Checks	medium
232227	Amazon Linux 2 : openssl-snapsafe (ALASOPENSSL-SNAPSAFE-2025-007)	Nessus	Amazon Linux Local Security Checks	medium
228225	Linux Distros Unpatched Vulnerability : CVE-2024-13176	Nessus	Misc.	medium
216654	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : openssl-1_1 (SUSE-SU-2025:0613-1)	Nessus	SuSE Local Security Checks	medium
216593	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS : OpenSSL vulnerabilities (USN-7278-1)	Nessus	Ubuntu Local Security Checks	high
216210	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : openssl-3 (SUSE-SU-2025:0430-1)	Nessus	SuSE Local Security Checks	medium
216201	SUSE SLES12 Security Update : openssl-1_1 (SUSE-SU-2025:0390-1)	Nessus	SuSE Local Security Checks	medium
216159	Ubuntu 24.10 : OpenSSL vulnerabilities (USN-7264-1)	Nessus	Ubuntu Local Security Checks	high
215183	SUSE SLES15 Security Update : openssl-1_1 (SUSE-SU-2025:0356-1)	Nessus	SuSE Local Security Checks	medium
215173	SUSE SLES15 Security Update : openssl-3 (SUSE-SU-2025:0388-1)	Nessus	SuSE Local Security Checks	medium
215166	SUSE SLES15 Security Update : openssl-3 (SUSE-SU-2025:0387-1)	Nessus	SuSE Local Security Checks	medium
215165	SUSE SLES15 Security Update : openssl-1_1 (SUSE-SU-2025:0349-1)	Nessus	SuSE Local Security Checks	medium
215164	Slackware Linux 15.0 / current openssl Vulnerability (SSA:2025-040-01)	Nessus	Slackware Local Security Checks	medium
214984	Amazon Linux 2 : edk2 (ALAS-2025-2750)	Nessus	Amazon Linux Local Security Checks	medium

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