CVE-2011-1147
digium: no CVSS score yet. EPSS 3.5% chance of exploitation in the next 30 days.
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.
- EPSS
- 3.5% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
- CWE
- CWE-119
- Published
- Modified
- Record from
- the NVD, synced
Affected
- digium:asterisk
- digium:asterisknow
- digium:s800i
References
- http://downloads.asterisk.org/pub/security/AST-2011-002.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.html
- http://secunia.com/advisories/43429