CVE-2011-1147

Published: Mar 15, 2011Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119

6.8MEDIUM

NVD MITRE

Description

Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before 1.6.1.22, 1.6.2.x before 1.6.2.16.2, and 1.8 before 1.8.2.4; Business Edition C.x.x before C.3.6.3; AsteriskNOW 1.5; and s800i (Asterisk Appliance), when T.38 support is enabled, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAccess Vector

Network

AC:MAccess Complexity

Medium

Au:NAuthentication

None

Impact

C:PConfidentiality

Partial

I:PIntegrity

Partial

A:PAvailability

Partial

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Weaknesses

CWE-119

Affected Products

digium

commercial·USaka asterisk

and 1 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

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References

http://secunia.com/advisories/43702

secunia.com

http://www.securityfocus.com/bid/46474

securityfocus.com

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

debian.org

and 9 more references View all →

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