CVE-2011-0495

Home/CVE/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.

CVE

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.

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.

MEDIUM · CVSS 6 EPSS 0.00573

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-787Out-of-bounds Write

▤

Affected Products & Versions

digium asterisk< c.3.6.2
digium asterisk>= 1.2.0 and <= 1.2.40
digium asterisk>= 1.4.0 and < 1.4.38.1
digium asterisk>= 1.4.39 and < 1.4.39.1
digium asterisk>= 1.6.1 and < 1.6.1.21
digium asterisk>= 1.6.2 and < 1.6.2.15.1
digium asterisk>= 1.6.2.16 and < 1.6.2.16.1
digium asterisk>= 1.8.0 and < 1.8.1.2
Show all 13 affected productsdigium asterisk>= 1.8.2 and < 1.8.2.2
digium asterisknowall versions
fedoraproject fedoraall versions
debian linuxall versions
digium s800i firmwareall versions

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Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:M/Au:S/C:P/I:P/A:P

Published to NVD20 Jan 2011 · 07:00 PM

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diffPatchVendor Advisory

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

http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053689.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053713.htmlThird Party Advisory

http://osvdb.org/70518Broken Link

http://secunia.com/advisories/42935Third Party Advisory

Show all 15 references

http://secunia.com/advisories/43119Third Party Advisory

http://secunia.com/advisories/43373Third Party Advisory

http://www.debian.org/security/2011/dsa-2171Third Party Advisory

http://www.securityfocus.com/archive/1/515781/100/0/threadedThird Party AdvisoryVDB Entry

http://www.securityfocus.com/bid/45839Third Party AdvisoryVDB Entry

http://www.vupen.com/english/advisories/2011/0159Permissions Required

http://www.vupen.com/english/advisories/2011/0281Permissions Required

http://www.vupen.com/english/advisories/2011/0449Permissions Required

https://exchange.xforce.ibmcloud.com/vulnerabilities/64831Third Party AdvisoryVDB Entry

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