[ GLSA 201612-08 ] LinuxCIFS utils

[GLSA]

Gentoo Linux Security Advisory

Title: LinuxCIFS utils: Buffer overflow (GLSA 201612-08)
Severity: normal
Exploitable: remote
Date: December 04, 2016
Bug(s): #552634
ID: 201612-08

Synopsis

A vulnerability in LinuxCIFS utils' "cifscreds" PAM module might
allow remote attackers to have an unspecified impact via unknown vectors.


Background

The LinuxCIFS utils are a collection of tools for managing Linux CIFS
Client Filesystems.


Affected Packages

Package: net-fs/cifs-utils
Vulnerable: < 6.4
Unaffected: >= 6.4
Architectures: All supported architectures


Description

A stack-based buffer overflow was discovered in cifskey.c or cifscreds.c
in LinuxCIFS, as used in “pam_cifscreds.”


Impact

A remote attacker could exploit this vulnerability to cause an
unspecified impact.


Workaround

Don’t use LinuxCIFS utils’ “cifscreds” PAM module. In Gentoo,
LinuxCIFS utils’ PAM support is disabled by default unless the
“pam” USE flag is enabled.


Resolution

All LinuxCIFS utils users should upgrade to the latest version: