In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that an attacker can use to recover the password of any user. This information leakage is similar to the "Dragonblood" attack and CVE-2019-9494.

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-1672 advisory.

  - In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password     element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that     an attacker can use to recover the password of any user. This information leakage is similar to the     Dragonblood attack and CVE-2019-9494. (CVE-2019-13456)

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

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has freeradius packages installed that are affected by multiple vulnerabilities:

  - ** DISPUTED ** It was discovered freeradius up to and including version 3.0.19 does not correctly     configure logrotate, allowing a local attacker who already has control of the radiusd user to escalate his     privileges to root, by tricking logrotate into writing a radiusd-writable file to a directory normally     inaccessible by the radiusd user. NOTE: the upstream software maintainer has stated there is simply no     way for anyone to gain privileges through this alleged issue. (CVE-2019-10143)

  - In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password     element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that     an attacker can use to recover the password of any user. This information leakage is similar to the     Dragonblood attack and CVE-2019-9494. (CVE-2019-13456)

  - In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all     handshakes. This mean multiple threads use the same BN_CTX instance concurrently, resulting in crashes     when concurrent EAP-pwd handshakes are initiated. This can be abused by an adversary as a Denial-of-     Service (DoS) attack. (CVE-2019-17185)

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

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has freeradius packages installed that are affected by multiple vulnerabilities:

  - In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all     handshakes. This mean multiple threads use the same BN_CTX instance concurrently, resulting in crashes     when concurrent EAP-pwd handshakes are initiated. This can be abused by an adversary as a Denial-of-     Service (DoS) attack. (CVE-2019-17185)

  - ** DISPUTED ** It was discovered freeradius up to and including version 3.0.19 does not correctly     configure logrotate, allowing a local attacker who already has control of the radiusd user to escalate his     privileges to root, by tricking logrotate into writing a radiusd-writable file to a directory normally     inaccessible by the radiusd user. NOTE: the upstream software maintainer has stated there is simply no     way for anyone to gain privileges through this alleged issue. (CVE-2019-10143)

  - In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password     element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that     an attacker can use to recover the password of any user. This information leakage is similar to the     Dragonblood attack and CVE-2019-9494. (CVE-2019-13456)

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

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2020:1672 advisory.

  - freeradius: eap-pwd: Information leak due to aborting when needing more than 10 iterations     (CVE-2019-13456)

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 tested product installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1515 advisory.

  - ** DISPUTED ** It was discovered freeradius up to and including version 3.0.19 does not correctly     configure logrotate, allowing a local attacker who already has control of the radiusd user to escalate his     privileges to root, by tricking logrotate into writing a radiusd-writable file to a directory normally     inaccessible by the radiusd user. NOTE: the upstream software maintainer has stated there is simply no     way for anyone to gain privileges through this alleged issue. (CVE-2019-10143)

  - In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password     element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that     an attacker can use to recover the password of any user. This information leakage is similar to the     Dragonblood attack and CVE-2019-9494. (CVE-2019-13456)

  - In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all     handshakes. This mean multiple threads use the same BN_CTX instance concurrently, resulting in crashes     when concurrent EAP-pwd handshakes are initiated. This can be abused by an adversary as a Denial-of-     Service (DoS) attack. (CVE-2019-17185)

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

Security Fix(es) :

  - freeradius: privilege escalation due to insecure     logrotate configuration (CVE-2019-10143)

  - freeradius: eap-pwd: Information leak due to aborting     when needing more than 10 iterations (CVE-2019-13456)

  - freeradius: eap-pwd: DoS issues due to multithreaded     BN_CTX access (CVE-2019-17185)

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3984 advisory.

  - It was discovered freeradius up to and including version 3.0.19 does not correctly configure logrotate,     allowing a local attacker who already has control of the radiusd user to escalate his privileges to root,     by tricking logrotate into writing a radiusd-writable file to a directory normally inaccessible by the     radiusd user. NOTE: the upstream software maintainer has stated there is simply no way for anyone to gain     privileges through this alleged issue. (CVE-2019-10143)

  - In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password     element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that     an attacker can use to recover the password of any user. This information leakage is similar to the     Dragonblood attack and CVE-2019-9494. (CVE-2019-13456)

  - In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all     handshakes. This mean multiple threads use the same BN_CTX instance concurrently, resulting in crashes     when concurrent EAP-pwd handshakes are initiated. This can be abused by an adversary as a Denial-of-     Service (DoS) attack. (CVE-2019-17185)

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

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-3984 advisory.

    [3.0.13-15]
    - Fixes EAP-PWD: DoS issues due to multithreaded BN_CTX access       Resolves: bz#1818808

      [3.0.13-14
    - Fixes receiving of multiple RADIUS packets under load       Resolves: bz#1630684

    [3.0.13-13]
    - Fixes logging of cleartext pap password       Resolves: bz#1677435

    [3.0.13-12]
    - Fixes paircompare with attribute references and expansions       Resolves: bz#1592741

    [3.0.13-11]
    - Fixes logrotate, EAP-PWD vulnerability       Resolves: bz#1719368 privilege escalation due to insecure logrotate configuration       Resolves: bz#1751796 eap-pwd: Information leak due to aborting when needing more than 10 iterations

Tenable has extracted the preceding description block directly from the Oracle Linux 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 Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3984 advisory.

    FreeRADIUS is a high-performance and highly configurable free Remote Authentication Dial In User Service     (RADIUS) server, designed to allow centralized authentication and authorization for a network.

    Security Fix(es):

    * freeradius: privilege escalation due to insecure logrotate configuration (CVE-2019-10143)

    * freeradius: eap-pwd: Information leak due to aborting when needing more than 10 iterations     (CVE-2019-13456)

    * freeradius: eap-pwd: DoS issues due to multithreaded BN_CTX access (CVE-2019-17185)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 freeradius package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module     used a global OpenSSL BN_CTX instance to handle all     handshakes. This mean multiple threads use the same     BN_CTX instance concurrently, resulting in crashes when     concurrent EAP-pwd handshakes are initiated. This can     be abused by an adversary as a Denial-of-Service (DoS)     attack.(CVE-2019-17185)

  - In FreeRADIUS 3.0 through 3.0.19, on average 1 in every     2048 EAP-pwd handshakes fails because the password     element cannot be found within 10 iterations of the     hunting and pecking loop. This leaks information that     an attacker can use to recover the password of any     user. This information leakage is similar to the     'Dragonblood' attack and CVE-2019-9494.(CVE-2019-13456)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for freeradius-server fixes the following issues :

CVE-2019-13456: Fixed a side-channel password leak in EAP-pwd (bsc#1144524).

CVE-2019-17185: Fixed a debial of service due to multithreaded BN_CTX access (bsc#1166847).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1672 advisory.

    FreeRADIUS is a high-performance and highly configurable free Remote Authentication Dial In User Service     (RADIUS) server, designed to allow centralized authentication and authorization for a network.

    Security Fix(es):

    * freeradius: eap-pwd: Information leak due to aborting when needing more than 10 iterations     (CVE-2019-13456)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.2 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

This update for freeradius-server fixes the following issues :

  - CVE-2019-13456: Fixed a side-channel password leak in     EAP-pwd (bsc#1144524).

  - CVE-2019-17185: Fixed a debial of service due to     multithreaded BN_CTX access (bsc#1166847).

  - Fixed an issue in TLS-EAP where the OCSP verification,     when an intermediate client certificate was not     explicitly trusted (bsc#1146848).

This update was imported from the SUSE:SLE-15:Update update project.

This update for freeradius-server fixes the following issues :

CVE-2019-13456: Fixed a side-channel password leak in EAP-pwd (bsc#1144524).

CVE-2019-17185: Fixed a debial of service due to multithreaded BN_CTX access (bsc#1166847).

Fixed an issue in TLS-EAP where the OCSP verification, when an intermediate client certificate was not explicitly trusted (bsc#1146848).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the freeradius package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - In FreeRADIUS 3.0 through 3.0.19, on average 1 in every     2048 EAP-pwd handshakes fails because the password     element cannot be found within 10 iterations of the     hunting and pecking loop. This leaks information that     an attacker can use to recover the password of any     user. This information leakage is similar to the     'Dragonblood' attack and CVE-2019-9494.(CVE-2019-13456)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Security fix for CVE-2019-13456

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
180961	Oracle Linux 8 : freeradius:3.0 (ELSA-2020-1672)	Nessus	Oracle Linux Local Security Checks	medium
154528	NewStart CGSL CORE 5.05 / MAIN 5.05 : freeradius Multiple Vulnerabilities (NS-SA-2021-0151)	Nessus	NewStart CGSL Local Security Checks	high
147253	NewStart CGSL CORE 5.04 / MAIN 5.04 : freeradius Multiple Vulnerabilities (NS-SA-2021-0037)	Nessus	NewStart CGSL Local Security Checks	high
145799	CentOS 8 : freeradius:3.0 (CESA-2020:1672)	Nessus	CentOS Local Security Checks	medium
141965	Amazon Linux 2 : freeradius (ALAS-2020-1515)	Nessus	Amazon Linux Local Security Checks	high
141703	Scientific Linux Security Update : freeradius on SL7.x x86_64 (20201001)	Nessus	Scientific Linux Local Security Checks	high
141587	CentOS 7 : freeradius (RHSA-2020:3984)	Nessus	CentOS Local Security Checks	high
141233	Oracle Linux 7 : freeradius (ELSA-2020-3984)	Nessus	Oracle Linux Local Security Checks	high
141018	RHEL 7 : freeradius (RHSA-2020:3984)	Nessus	Red Hat Local Security Checks	high
140900	EulerOS 2.0 SP3 : freeradius (EulerOS-SA-2020-2133)	Nessus	Huawei Local Security Checks	medium
140109	SUSE SLES12 Security Update : freeradius-server (SUSE-SU-2020:2391-1)	Nessus	SuSE Local Security Checks	medium
136048	RHEL 8 : freeradius:3.0 (RHSA-2020:1672)	Nessus	Red Hat Local Security Checks	medium
136010	openSUSE Security Update : freeradius-server (openSUSE-2020-553)	Nessus	SuSE Local Security Checks	medium
135754	SUSE SLED15 / SLES15 Security Update : freeradius-server (SUSE-SU-2020:1023-1)	Nessus	SuSE Local Security Checks	medium
135752	SUSE SLES12 Security Update : freeradius-server (SUSE-SU-2020:1020-1)	Nessus	SuSE Local Security Checks	medium
135751	SUSE SLES12 Security Update : freeradius-server (SUSE-SU-2020:1018-1)	Nessus	SuSE Local Security Checks	medium
132598	EulerOS 2.0 SP8 : freeradius (EulerOS-SA-2020-1005)	Nessus	Huawei Local Security Checks	medium
131459	Fedora 31 : freeradius (2019-ca0f5e835d)	Nessus	Fedora Local Security Checks	medium
131442	Fedora 30 : freeradius (2019-17ed521527)	Nessus	Fedora Local Security Checks	medium

Detections

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CVE-2019-13456

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