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GLSA-200802-07 : Pulseaudio: Privilege escalation

high Nessus Plugin ID 31085

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-200802-07 (Pulseaudio: Privilege escalation)

 Marcus Meissner from SUSE reported that the pa_drop_root() function does not properly check the return value of the system calls setuid(), seteuid(), setresuid() and setreuid() when dropping its privileges.
 Impact :

 A local attacker could cause a resource exhaustion to make the system calls fail, which would cause Pulseaudio to run as root. The attacker could then perform actions with root privileges.
 Workaround :

 There is no known workaround at this time.

Solution

All Pulseaudio users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=media-sound/pulseaudio-0.9.9'

See Also

https://security.gentoo.org/glsa/200802-07

Plugin Details

Severity: High

ID: 31085

File Name: gentoo_GLSA-200802-07.nasl

Version: 1.14

Type: local

Published: 2/14/2008

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:pulseaudio, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 2/13/2008

Reference Information

CVE: CVE-2008-0008

CWE: 20

GLSA: 200802-07