CVE-2011-1147

2011-03-1517:55:05

Debian Security Bug Tracker

security-tracker.debian.org

6.8 Medium

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

0.931 High

EPSS

Percentile

99.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian11allasterisk< 1:1.8.3.3-1asterisk_1:1.8.3.3-1_all.deb
Debian999allasterisk< 1:1.8.3.3-1asterisk_1:1.8.3.3-1_all.deb