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Debian DSA-2225-1 : asterisk - several vulnerabilities

high Nessus Plugin ID 53558

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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-2011-1147 Matthew Nicholson discovered that incorrect handling of UDPTL packets may lead to denial of service or the execution of arbitrary code.

 - CVE-2011-1174 Blake Cornell discovered that incorrect connection handling in the manager interface may lead to denial of service.

 - CVE-2011-1175 Blake Cornell and Chris May discovered that incorrect TCP connection handling may lead to denial of service.

 - CVE-2011-1507 Tzafrir Cohen discovered that insufficient limitation of connection requests in several TCP based services may lead to denial of service. Please see AST-2011-005 for details.

 - CVE-2011-1599 Matthew Nicholson discovered a privilege escalation vulnerability in the manager interface.

Solution

Upgrade the asterisk packages.

For the oldstable distribution (lenny), this problem has been fixed in version 1:1.4.21.2~dfsg-3+lenny2.1.

For the stable distribution (squeeze), this problem has been fixed in version 1:1.6.2.9-2+squeeze2.

See Also

https://security-tracker.debian.org/tracker/CVE-2011-1147

https://security-tracker.debian.org/tracker/CVE-2011-1174

https://security-tracker.debian.org/tracker/CVE-2011-1175

https://security-tracker.debian.org/tracker/CVE-2011-1507

http://downloads.asterisk.org/pub/security/AST-2011-005.html

https://security-tracker.debian.org/tracker/CVE-2011-1599

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

https://www.debian.org/security/2011/dsa-2225

Plugin Details

Severity: High

ID: 53558

File Name: debian_DSA-2225.nasl

Version: 1.15

Type: local

Agent: unix

Published: 4/27/2011

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: High

Base Score: 9

Temporal Score: 6.7

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

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: 4/25/2011

Reference Information

CVE: CVE-2011-1147, CVE-2011-1174, CVE-2011-1175, CVE-2011-1507, CVE-2011-1599

BID: 46474, 46897, 46898, 47537

DSA: 2225