Scientific Linux Security Update : pam on SL5.x i386/x86_64

This script is Copyright (C) 2012 Tenable Network Security, Inc.


Synopsis :

The remote Scientific Linux host is missing one or more security
updates.

Description :

It was discovered that 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. (CVE-2010-3853)

It was discovered that 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.
(CVE-2010-3435)

It was discovered that 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.
(CVE-2010-3316)

See also :

http://www.nessus.org/u?edb56f28

Solution :

Update the affected pam and / or pam-devel packages.

Risk factor :

Medium / CVSS Base Score : 6.9
(CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C)

Family: Scientific Linux Local Security Checks

Nessus Plugin ID: 60882 ()

Bugtraq ID:

CVE ID: CVE-2010-3316
CVE-2010-3435
CVE-2010-3853