Debian DSA-2367-1 : asterisk - several vulnerabilities

medium Nessus Plugin ID 57507

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Synopsis

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

Description

Several vulnerabilities have been discovered in Asterisk, an Open Source PBX and telephony toolkit :

- CVE-2011-4597 Ben Williams discovered that it was possible to enumerate SIP user names in some configurations. Please see the upstream advisory for details.

This update only modifies the sample sip.conf configuration file.
Please see README.Debian for more information on how to update your installation.

- CVE-2011-4598 Kristijan Vrban discovered that Asterisk can be crashed with malformed SIP packets if the 'automon' feature is enabled.

Solution

Upgrade the asterisk packages.

For the oldstable distribution (lenny), this problem has been fixed in version 1:1.4.21.2~dfsg-3+lenny6.

For the stable distribution (squeeze), this problem has been fixed in version 1:1.6.2.9-2+squeeze4.

Plugin Details

Severity: Medium

ID: 57507

File Name: debian_DSA-2367.nasl

Version: 1.10

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/12/2012

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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: 12/19/2011

Reference Information

CVE: CVE-2011-4597, CVE-2011-4598

BID: 50989, 50990

DSA: 2367

Detections

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