Unscored severity · published Mar 15, 2011
CVE-2011-1147
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,…
–
CVSS
3.5%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.5% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asterisk · Digium
1.4.0; 1.4.0; 1.4.0; 1.4.0; 1.4.0; 1.4.1; +34 more · source: NVD
AS
Asterisknow · Digium
1.5 · source: NVD
S8
S800i · Digium
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-1147
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-1147
Vendor Advisory
http://downloads.asterisk.org/pub/security/AST-2011-002.html
Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.html
Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.html
Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.html
Vendor Advisory
http://secunia.com/advisories/43429
Vendor Advisory
http://secunia.com/advisories/43702
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