The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2011-0560 advisory.

  - The pam_parse_in_data_v2 function in src/responder/pam/pamsrv_cmd.c in the PAM responder in SSSD 1.5.0,     1.4.x, and 1.3 allows local users to cause a denial of service (infinite loop, crash, and login     prevention) via a crafted packet. (CVE-2010-4341)

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

This update fixes a local denial-of-service attack that stops other users from logging in. The bug existed in the pam_parse_in_data_v2() function. (CVE-2010-4341: CVSS v2 Base Score: 2.1)

Updated sssd packages that fix one security issue, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having low security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The System Security Services Daemon (SSSD) provides a set of daemons to manage access to remote directories and authentication mechanisms.
It provides an NSS and PAM interface toward the system and a pluggable back-end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy services for projects such as FreeIPA.

A flaw was found in the SSSD PAM responder that could allow a local attacker to force SSSD to enter an infinite loop via a carefully-crafted packet. With SSSD unresponsive, legitimate users could be denied the ability to log in to the system. (CVE-2010-4341)

Red Hat would like to thank Sebastian Krahmer for reporting this issue.

These updated sssd packages include a number of bug fixes and enhancements. Space precludes documenting all of these changes in this advisory. Refer to the Red Hat Enterprise Linux 5.7 Technical Notes for information about these changes :

https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html/ 5.7_Technical_Notes/sssd.html#RHSA-2011-0975

All sssd users are advised to upgrade to these updated sssd packages, which upgrade SSSD to upstream version 1.5.1 to correct this issue, and fix the bugs and add the enhancements noted in the Technical Notes.

The System Security Services Daemon (SSSD) provides a set of daemons to manage access to remote directories and authentication mechanisms.
It provides an NSS and PAM interface toward the system and a pluggable back-end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy services for projects such as FreeIPA.

A flaw was found in the SSSD PAM responder that could allow a local attacker to force SSSD to enter an infinite loop via a carefully-crafted packet. With SSSD unresponsive, legitimate users could be denied the ability to log in to the system. (CVE-2010-4341)

These updated sssd packages include a number of bug fixes and enhancements. Space precludes documenting all of these changes in this advisory.

All sssd users are advised to upgrade to these updated sssd packages, which upgrade SSSD to upstream version 1.5.1 to correct this issue, and fix the bugs and add the enhancements noted in the Technical Notes.

The remote Oracle Linux 5 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2011-0975 advisory.

  - The pam_parse_in_data_v2 function in src/responder/pam/pamsrv_cmd.c in the PAM responder in SSSD 1.5.0,     1.4.x, and 1.3 allows local users to cause a denial of service (infinite loop, crash, and login     prevention) via a crafted packet. (CVE-2010-4341)

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 5 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2011:0975 advisory.

  - sssd: DoS in sssd PAM responder can prevent logins (CVE-2010-4341)

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

Updated sssd packages that fix one security issue, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having low security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The System Security Services Daemon (SSSD) provides a set of daemons to manage access to remote directories and authentication mechanisms.
It provides an NSS and PAM interface toward the system and a pluggable back-end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy services for projects such as FreeIPA.

A flaw was found in the SSSD PAM responder that could allow a local attacker to crash SSSD via a carefully-crafted packet. With SSSD unresponsive, legitimate users could be denied the ability to log in to the system. (CVE-2010-4341)

Red Hat would like to thank Sebastian Krahmer for reporting this issue.

This update also fixes several bugs and adds various enhancements.
Documentation for these bug fixes and enhancements will be available shortly from the Technical Notes document, linked to in the References section.

Users of SSSD should upgrade to these updated packages, which upgrade SSSD to upstream version 1.5.1 to correct this issue, and fix the bugs and add the enhancements noted in the Technical Notes.

Addresses low-priority CVE-2010-4341: DoS in sssd PAM responder can prevent logins

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

The System Security Services Daemon (SSSD) provides a set of daemons to manage access to remote directories and authentication mechanisms.
It provides an NSS and PAM interface toward the system and a pluggable back-end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy services for projects such as FreeIPA.

A flaw was found in the SSSD PAM responder that could allow a local attacker to crash SSSD via a carefully-crafted packet. With SSSD unresponsive, legitimate users could be denied the ability to log in to the system. (CVE-2010-4341)

This update also fixes several bugs and adds various enhancements.
Documentation for these bug fixes and enhancements will be available shortly from the Technical Notes document, linked to in the References section.

Users of SSSD should upgrade to these updated packages, which upgrade SSSD to upstream version 1.5.1 to correct this issue, and fix the bugs and add the enhancements noted in the Technical Notes.

ID	Name	Product	Family	Published	Updated	Severity
181054	Oracle Linux 6 : sssd (ELSA-2011-0560)	Nessus	Oracle Linux Local Security Checks	9/7/2023	12/25/2023	medium
75573	openSUSE Security Update : libcollection-devel (openSUSE-SU-2011:0058-1)	Nessus	SuSE Local Security Checks	6/13/2014	1/14/2021	low
56260	CentOS 5 : sssd (CESA-2011:0975)	Nessus	CentOS Local Security Checks	9/23/2011	1/4/2021	low
61094	Scientific Linux Security Update : sssd on SL5.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	8/1/2012	1/14/2021	low
181078	Oracle Linux 5 : sssd (ELSA-2011-0975)	Nessus	Oracle Linux Local Security Checks	9/7/2023	12/25/2023	medium
55642	RHEL 5 : sssd (RHSA-2011:0975)	Nessus	Red Hat Local Security Checks	7/22/2011	4/21/2024	medium
54594	RHEL 6 : sssd (RHSA-2011:0560)	Nessus	Red Hat Local Security Checks	5/20/2011	1/14/2021	low
51651	Fedora 13 : sssd-1.3.0-40.fc13 (2011-0337)	Nessus	Fedora Local Security Checks	1/24/2011	1/11/2021	low
51655	Fedora 14 : sssd-1.5.0-2.fc14 (2011-0364)	Nessus	Fedora Local Security Checks	1/24/2011	1/11/2021	low
61049	Scientific Linux Security Update : sssd on SL6.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	8/1/2012	1/14/2021	low

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