CVE-2011-0495
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.
Key facts
- CVSS score
- 6.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:S/C:P/I:P/A:P- Weakness (CWE)
- CWE-787
- EPSS score
- 4.2% (91th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-0515)
- Published
- January 20, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-0515 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- debian / debian linux
- digium / asterisk
- digium / asterisk
- digium / asterisknow
- digium / s800i
- digium / s800i firmware
- fedoraproject / fedora
- fedoraproject / fedora
References
- http://downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diff(Patch, Vendor Advisory)
- http://downloads.asterisk.org/pub/security/AST-2011-001.html(Vendor Advisory)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053689.html(Third Party Advisory)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053713.html(Third Party Advisory)
- http://osvdb.org/70518(Broken Link)
- http://secunia.com/advisories/42935(Third Party Advisory)
- http://secunia.com/advisories/43119(Third Party Advisory)
- http://secunia.com/advisories/43373(Third Party Advisory)
- http://www.debian.org/security/2011/dsa-2171(Third Party Advisory)
- http://www.securityfocus.com/archive/1/515781/100/0/threaded(Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/bid/45839(Third Party Advisory, VDB Entry)
- http://www.vupen.com/english/advisories/2011/0159(Permissions Required)
- http://www.vupen.com/english/advisories/2011/0281(Permissions Required)
- http://www.vupen.com/english/advisories/2011/0449(Permissions Required)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64831(Third Party Advisory, VDB Entry)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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