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CVE-2010-3316

Status Candidate

Overview

The run_coprocess function in pam_xauth.c in the pam_xauth module in Linux-PAM (aka pam) before 1.1.2 does not check the return values of the setuid, setgid, and setgroups system calls, which might allow local users to read arbitrary files by executing a program that relies on the pam_xauth PAM check.

Related Files

Gentoo Linux Security Advisory 201206-31
Posted Jun 25, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201206-31 - Multiple vulnerabilities have been found in Linux-PAM, allowing local attackers to possibly gain escalated privileges, cause a Denial of Service, corrupt data, or obtain sensitive information. Versions less than 1.1.5 are affected.

tags | advisory, denial of service, local, vulnerability
systems | linux, gentoo
advisories | CVE-2010-3316, CVE-2010-3430, CVE-2010-3431, CVE-2010-3435, CVE-2010-3853, CVE-2010-4706, CVE-2010-4707, CVE-2010-4708, CVE-2011-3148, CVE-2011-3149
SHA-256 | 70b66584b8817a240db5a659f9e3fb27abfb44c6a46e9e68c554ca01bafc291f
Ubuntu Security Notice USN-1140-1
Posted May 30, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1140-1 - Marcus Granado discovered that PAM incorrectly handled configuration files with non-ASCII usernames. A remote attacker could use this flaw to cause a denial of service, or possibly obtain login access with a different users username. This issue only affected Ubuntu 8.04 LTS. It was discovered that the PAM pam_xauth, pam_env and pam_mail modules incorrectly handled dropping privileges when performing operations. A local attacker could use this flaw to read certain arbitrary files, and access other sensitive information. It was discovered that the PAM pam_namespace module incorrectly cleaned the environment during execution of the namespace.init script. A local attacker could use this flaw to possibly gain privileges. It was discovered that the PAM pam_xauth module incorrectly handled certain failures. A local attacker could use this flaw to delete certain unintended files. It was discovered that the PAM pam_xauth module incorrectly verified certain file properties. A local attacker could use this flaw to cause a denial of service.

tags | advisory, remote, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2010-3435, CVE-2009-0887, CVE-2010-3316, CVE-2010-3430, CVE-2010-3431, CVE-2010-3435, CVE-2010-3853, CVE-2010-4706, CVE-2010-4707
SHA-256 | 1475b1ea584745e75607c08eb5e889073214913e719c51acce41d09dc235d52b
VMware Security Advisory 2011-0004
Posted Mar 8, 2011
Authored by VMware | Site vmware.com

VMware Security Advisory 2011-0004 - Service Location Protocol daemon (SLPD) denial of service issue and ESX 4.0 Service Console OS (COS) updates for bind, pam, and rpm.

tags | advisory, denial of service, protocol
advisories | CVE-2010-2059, CVE-2010-3316, CVE-2010-3435, CVE-2010-3609, CVE-2010-3613, CVE-2010-3614, CVE-2010-3762, CVE-2010-3853
SHA-256 | 719826a83686579aa0ee4f4f4daf886e176fc92fd4d140eec35f2f8d630f07d1
Mandriva Linux Security Advisory 2010-220
Posted Nov 5, 2010
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2010-220 - The pam_xauth module did not verify the return values of the setuid() and setgid() system calls. A local, unprivileged user could use this flaw to execute the xauth command with root privileges and make it read an arbitrary input file. The pam_mail module used root privileges while accessing users' files. In certain configurations, a local, unprivileged user could use this flaw to obtain limited information about files or directories that they do not have access to. The pam_namespace module executed the external script namespace.init with an unchanged environment inherited from an application calling PAM. In cases where such an environment was untrusted (for example, when pam_namespace was configured for setuid applications such as su or sudo), a local, unprivileged user could possibly use this flaw to escalate their privileges.

tags | advisory, arbitrary, local, root
systems | linux, mandriva
advisories | CVE-2010-3316, CVE-2010-3435, CVE-2010-3853
SHA-256 | c75c1f0958b4914a5e219e8bcf5114e2f17ff93bf7a68433b923fa33342f579d
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