CVE-2011-0495

Published: Jan 20, 2011Updated: Apr 29, 2026 Sources: CVE List NVDCWE-787

6.0MEDIUM

NVD MITRE

Description

Stack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition before C.3.6.2; when running in pedantic mode allows remote authenticated users to execute arbitrary code via crafted caller ID data in vectors involving the (1) SIP channel driver, (2) URIENCODE dialplan function, or (3) AGI dialplan function.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAccess Vector

Network

AC:MAccess Complexity

Medium

Au:SAuthentication

Single

Impact

C:PConfidentiality

Partial

I:PIntegrity

Partial

A:PAvailability

Partial

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Weaknesses

CWE-787

Affected Products

digium

commercial·USaka asterisk

oss-project·USaka fedora project

fedoraOn-premOS

Operating Systems / linux-distro

debian

oss-project·GBaka debian gnu/linux

debian linuxOn-premOS

Operating Systems / linux-distro

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://downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diff

downloads.asterisk.org

http://downloads.asterisk.org/pub/security/AST-2011-001.html

downloads.asterisk.org

http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053689.html

lists.fedoraproject.org

and 12 more references View all →

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