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Debian DSA-2171-1 : asterisk - buffer overflow

medium Nessus Plugin ID 52055

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Synopsis

The remote Debian host is missing a security-related update.

Description

Matthew Nicholson discovered a buffer overflow in the SIP channel driver of Asterisk, an open source PBX and telephony toolkit, which could lead to the execution of arbitrary code.

Solution

Upgrade the asterisk packages.

For the oldstable distribution (lenny), this problem has been fixed in version 1.4.21.2~dfsg-3+lenny2.

For the stable distribution (squeeze), this problem has been fixed in version 1.6.2.9-2+squeeze1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=610487

https://packages.debian.org/source/squeeze/asterisk

https://www.debian.org/security/2011/dsa-2171

Plugin Details

Severity: Medium

ID: 52055

File Name: debian_DSA-2171.nasl

Version: 1.17

Type: local

Agent: unix

Published: 2/22/2011

Updated: 1/4/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 5.2

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:asterisk, cpe:/o:debian:debian_linux:5.0, cpe:/o:debian:debian_linux:6.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 2/21/2011

Reference Information

CVE: CVE-2011-0495

BID: 45839

DSA: 2171