CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
AI Score
Confidence
High
EPSS
Percentile
99.1%
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.
Vendor | Product | Version | CPE |
---|---|---|---|
digium | asterisk | 1.4.0 | cpe:2.3:a:digium:asterisk:1.4.0:*:*:*:*:*:*:* |
digium | asterisk | 1.4.0 | cpe:2.3:a:digium:asterisk:1.4.0:beta1:*:*:*:*:*:* |
digium | asterisk | 1.4.0 | cpe:2.3:a:digium:asterisk:1.4.0:beta2:*:*:*:*:*:* |
digium | asterisk | 1.4.0 | cpe:2.3:a:digium:asterisk:1.4.0:beta3:*:*:*:*:*:* |
digium | asterisk | 1.4.0 | cpe:2.3:a:digium:asterisk:1.4.0:beta4:*:*:*:*:*:* |
digium | asterisk | 1.4.1 | cpe:2.3:a:digium:asterisk:1.4.1:*:*:*:*:*:*:* |
digium | asterisk | 1.4.2 | cpe:2.3:a:digium:asterisk:1.4.2:*:*:*:*:*:*:* |
digium | asterisk | 1.4.3 | cpe:2.3:a:digium:asterisk:1.4.3:*:*:*:*:*:*:* |
digium | asterisk | 1.4.10 | cpe:2.3:a:digium:asterisk:1.4.10:*:*:*:*:*:*:* |
digium | asterisk | 1.4.10.1 | cpe:2.3:a:digium:asterisk:1.4.10.1:*:*:*:*:*:*:* |
downloads.asterisk.org/pub/security/AST-2011-002.html
lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.html
lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.html
lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.html
secunia.com/advisories/43429
secunia.com/advisories/43702
www.debian.org/security/2011/dsa-2225
www.openwall.com/lists/oss-security/2011/03/11/2
www.openwall.com/lists/oss-security/2011/03/11/8
www.securityfocus.com/bid/46474
www.securitytracker.com/id?1025101
www.vupen.com/english/advisories/2011/0635