Test Kennung:	1.3.6.1.4.1.25623.1.0.871488
Kategorie:	Red Hat Local Security Checks
Titel:	RedHat Update for sssd RHSA-2015:2355-01
Zusammenfassung:	The remote host is missing an update for the 'sssd'; package(s) announced via the referenced advisory.
Beschreibung:	Summary: The remote host is missing an update for the 'sssd' package(s) announced via the referenced advisory. Vulnerability Insight: The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It was found that SSSD's Privilege Attribute Certificate (PAC) responder plug-in would leak a small amount of memory on each authentication request. A remote attacker could potentially use this flaw to exhaust all available memory on the system by making repeated requests to a Kerberized daemon application configured to authenticate using the PAC responder plug-in. (CVE-2015-5292) The sssd packages have been upgraded to upstream version 1.13.0, which provides a number of bug fixes and enhancements over the previous version. (BZ#1205554) Several enhancements are described in the Red Hat Enterprise Linux 7.2 Release Notes, linked to in the References section: * SSSD smart card support (BZ#854396) * Cache authentication in SSSD (BZ#910187) * SSSD supports overriding automatically discovered AD site (BZ#1163806) * SSSD can now deny SSH access to locked accounts (BZ#1175760) * SSSD enables UID and GID mapping on individual clients (BZ#1183747) * Background refresh of cached entries (BZ#1199533) * Multi-step prompting for one-time and long-term passwords (BZ#1200873) * Caching for initgroups operations (BZ#1206575) Bugs fixed: * When the SELinux user content on an IdM server was set to an empty string, the SSSD SELinux evaluation utility returned an error. (BZ#1192314) * If the ldap_child process failed to initialize credentials and exited with an error multiple times, operations that create files in some cases started failing due to an insufficient amount of i-nodes. (BZ#1198477) * The SRV queries used a hard coded TTL timeout, and environments that wanted the SRV queries to be valid for a certain time only were blocked. Now, SSSD parses the TTL value out of the DNS packet. (BZ#1199541) * Previously, initgroups operation took an excessive amount of time. Now, logins and ID processing are faster for setups with AD back end and disabled ID mapping. (BZ#1201840) * When an IdM client with Red Hat Enterprise Linux 7.1 or later was connecting to a server with Red Hat Enterprise Linux 7.0 or earlier, authentication with an AD trusted domain caused the sssd_be process to terminate unexpectedly. (BZ#1202170) * If replication conflict entries appeared during HBAC processing, the user was denied access. Now, the replication conflict entries are skipped and users are permitted access. (BZ#1202245) * The array of SIDs no longer contains an uninitialized value and SSSD no longer crashes. (BZ#1204203) * SSSD supports GPOs from diffe ... Description truncated, please see the referenced URL(s) for more information. Affected Software/OS: sssd on Red Hat Enterprise Linux Server (v. 7) Solution: Please Install the Updated Packages. CVSS Score: 6.8 CVSS Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2015-5292 1034038 http://www.securitytracker.com/id/1034038 77529 http://www.securityfocus.com/bid/77529 FEDORA-2015-202c127199 http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169110.html FEDORA-2015-7b47df69d3 http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169597.html FEDORA-2015-cdea5324a8 http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169613.html RHSA-2015:2019 http://rhn.redhat.com/errata/RHSA-2015-2019.html RHSA-2015:2355 http://rhn.redhat.com/errata/RHSA-2015-2355.html [sssd-users] 20151021 A security bug in SSSD 1.10 and later (CVE-2015-5292) http://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html https://bugzilla.redhat.com/show_bug.cgi?id=1267580 https://fedorahosted.org/sssd/attachment/ticket/2803/0001-Fix-memory-leak-in-sssdpac_verify.patch https://fedorahosted.org/sssd/ticket/2803 https://fedorahosted.org/sssd/wiki/Releases/Notes-1.13.1
Copyright	Copyright (C) 2015 Greenbone AG

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