sudo: Privilege escalation

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 201207-01 / sudo
Release Date	July 09, 2012
Latest Revision	July 09, 2012: 1
Impact	high
Exploitable	local

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-admin/sudo	< 1.8.5_p1	>= 1.8.5_p1	All supported architectures

Related bugreports: #416281

Synopsis

A vulnerability has been found in sudo which may allow local users to gain escalated privileges.

2. Impact Information

Background

sudo allows a system administrator to give users the ability to run commands as other users. Access to commands may also be granted on a range to hosts.

Description

An error in sudo may allow unintended IPv4 hosts to be granted access to commands.

Impact

A local attacker could gain escalated privileges.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All sudo users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-admin/sudo-1.8.5_p1"

4. References

CVE-2012-2337

Page updated July 09, 2012

Summary: This is a Gentoo Linux Security Advisory

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