CVE-2011-1147

2011-03-1500:00:00

ubuntu.com

CVSS2

6.8

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

EPSS

0.931

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
ubuntu10.04noarchasterisk< 1:1.6.2.5-0ubuntu1.4UNKNOWN
ubuntu10.10noarchasterisk< 1:1.6.2.7-1ubuntu1.2UNKNOWN
ubuntu11.04noarchasterisk< 1:1.6.2.9-2ubuntu2.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	10.04	noarch	asterisk	< 1:1.6.2.5-0ubuntu1.4	UNKNOWN
ubuntu	10.10	noarch	asterisk	< 1:1.6.2.7-1ubuntu1.2	UNKNOWN
ubuntu	11.04	noarch	asterisk	< 1:1.6.2.9-2ubuntu2.1	UNKNOWN