Test Kennung:	1.3.6.1.4.1.25623.1.0.58972
Kategorie:	Red Hat Local Security Checks
Titel:	RedHat Security Advisory RHSA-2007:0555
Zusammenfassung:	NOSUMMARY
Beschreibung:	Description: The remote host is missing updates announced in advisory RHSA-2007:0555. Pluggable Authentication Modules (PAM) provide a system whereby administrators can set up authentication policies without having to recompile programs that handle authentication. A flaw was found in the way pam_console set console device permissions. It was possible for various console devices to retain ownership of the console user after logging out, possibly leaking information to another local user. (CVE-2007-1716) A flaw was found in the way the PAM library wrote account names to the audit subsystem. An attacker could inject strings containing parts of audit messages which could possibly mislead or confuse audit log parsing tools. (CVE-2007-3102) As well, these updated packages fix the following bugs: * truncated MD5-hashed passwords in /etc/shadow were treated as valid, resulting in insecure and invalid passwords. * the pam_namespace module did not convert context names to raw format and did not unmount polyinstantiated directories in some cases. It also crashed when an unknown user name was used in /etc/security/namespace.conf, the pam_namespace configuration file. * the pam_selinux module was not relabeling the controlling tty correctly, and in some cases it did not send complete information about user role and level change to the audit subsystem. These updated packages add the following enhancements: * pam_limits module now supports parsing additional config files placed into the /etc/security/limits.d/ directory. These files are read after the main configuration file. * the modules pam_limits, pam_access, and pam_time now send a message to the audit subsystem when a user is denied access based on the number of login sessions, origin of user, and time of login. * pam_unix module security properties were improved. Functionality in the setuid helper binary, unix_chkpwd, which was not required for user authentication, was moved to a new non-setuid helper binary, unix_update. All users of PAM should upgrade to these updated packages, which resolve these issues and add these enhancements. Solution: Please note that this update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date http://rhn.redhat.com/errata/RHSA-2007-0555.html http://www.redhat.com/security/updates/classification/#moderate Risk factor : Medium CVSS Score: 4.3
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2007-1716 http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html http://security.gentoo.org/glsa/glsa-200711-23.xml http://osvdb.org/37271 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11483 http://www.redhat.com/support/errata/RHSA-2007-0465.html http://www.redhat.com/support/errata/RHSA-2007-0555.html http://www.redhat.com/support/errata/RHSA-2007-0737.html http://secunia.com/advisories/25631 http://secunia.com/advisories/25894 http://secunia.com/advisories/26909 http://secunia.com/advisories/27590 http://secunia.com/advisories/27706 http://secunia.com/advisories/28319 SGI Security Advisory: 20070602-01-P ftp://patches.sgi.com/support/free/security/advisories/20070602-01-P.asc http://www.vupen.com/english/advisories/2007/3229 Common Vulnerability Exposure (CVE) ID: CVE-2007-3102 BugTraq ID: 26097 http://www.securityfocus.com/bid/26097 https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00214.html https://bugzilla.redhat.com/show_bug.cgi?id=248059 http://osvdb.org/39214 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11124 http://www.redhat.com/support/errata/RHSA-2007-0540.html http://www.redhat.com/support/errata/RHSA-2007-0703.html http://secunia.com/advisories/27235 http://secunia.com/advisories/27588 http://secunia.com/advisories/28320
Copyright	Copyright (c) 2007 E-Soft Inc. http://www.securityspace.com

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