Asterisk SIP SDP Buffer Overflow (AST-2013-001)

high Nessus Plugin ID 65896

Synopsis

A telephony application running on the remote host is affected by a buffer overflow vulnerability.

Description

According to the version in its SIP banner, the version of Asterisk running on the remote host is potentially affected by a buffer overflow vulnerability related to SIP SDP headers and h264 video handling. This error could allow execution of arbitrary code.

Solution

Upgrade to Asterisk 11.2.2 or apply the patch listed in the Asterisk advisory.

See Also

http://downloads.asterisk.org/pub/security/AST-2013-001.html

https://issues.asterisk.org/jira/browse/ASTERISK-20901

Plugin Details

Severity: High

ID: 65896

File Name: asterisk_ast_2013_001.nasl

Version: 1.10

Type: remote

Family: Misc.

Published: 4/10/2013

Updated: 4/11/2022

Configuration: Enable paranoid mode, Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2013-2685

Vulnerability Information

CPE: cpe:/a:digium:asterisk

Required KB Items: Settings/ParanoidReport, asterisk/sip_detected

Exploit Ease: No known exploits are available

Patch Publication Date: 3/27/2013

Vulnerability Publication Date: 3/27/2013

Reference Information

CVE: CVE-2013-2685

BID: 58760