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.

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2020:4799 advisory.

  - 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 Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5785-1 advisory.

    It was discovered that FreeRADIUS incorrectly handled multiple EAP-pwd handshakes. An attacker could     possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS.
    (CVE-2019-17185)

    Shane Guan discovered that FreeRADIUS incorrectly handled memory when checking unknown SIM option sent by     EAP-SIM supplicant. An attacker could possibly use this issue to cause a denial of service on the server.
    This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-41860)

    It was discovered that FreeRADIUS incorrectly handled memory when processing certain abinary attributes.
    An attacker could possibly use this issue to cause a denial of service on the server. (CVE-2022-41861)

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 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-2020:4799 advisory.

  - freeradius: eap-pwd: DoS issues due to multithreaded BN_CTX access (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 Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-4799 advisory.

    [3.0.20-3]
    - Require make for proper bootstrap execution, removes post script       Resolves: bz#1672285

    [3.0.20-2]
    - Fix breakage caused by OpenSSL FIPS regression       Related: bz#1855822       Related: bz#1810911       Resolves: bz#1672285

    [3.0.20-1]
    - Update to FreeRADIUS server version 3.0.20
    - Introduce Python 3 support; resolves: bz#1623069
    - DoS issues due to multithreaded BN_CTX access; resolves: bz#1818809
    - Create tmp files in /run; resolves: bz#1805975

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:4799 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: 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 8.3 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.

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.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 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.

The version of freeradius installed on the remote host is prior to 3.0.13-15. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1515 advisory.

    It was discovered freeradius 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. (CVE-2019-10143)

    An information leak was discovered in the implementation of EAP-pwd in freeradius. An attacker could     initiate several EAP-pwd handshakes to leak information, which can then be used to recover the user's WiFi     password by performing dictionary and brute-force attacks. (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)

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

Note that Nessus has not tested for these issues 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.

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.

ID	Name	Product	Family	Severity
184855	Rocky Linux 8 : freeradius:3.0 (RLSA-2020:4799)	Nessus	Rocky Linux Local Security Checks	high
169516	Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS : FreeRADIUS vulnerabilities (USN-5785-1)	Nessus	Ubuntu Local Security Checks	high
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
146001	CentOS 8 : freeradius:3.0 (CESA-2020:4799)	Nessus	CentOS Local Security Checks	high
142766	Oracle Linux 8 : freeradius:3.0 (ELSA-2020-4799)	Nessus	Oracle Linux Local Security Checks	high
142410	RHEL 8 : freeradius:3.0 (RHSA-2020:4799)	Nessus	Red Hat Local Security Checks	high
142346	EulerOS 2.0 SP2 : freeradius (EulerOS-SA-2020-2342)	Nessus	Huawei Local Security Checks	high
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
139950	EulerOS 2.0 SP8 : freeradius (EulerOS-SA-2020-1847)	Nessus	Huawei Local Security Checks	high
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

Detections

Analytics

CVE-2019-17185

high

Tenable Plugins

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medium

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