CVE-2011-1147

N/A Unknown
Published: March 15, 2011 Modified: April 29, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://downloads.asterisk.org/pub/security/AST-2011-002.html
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/43429
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/43702
Source: secalert@redhat.com
Vendor Advisory
http://www.securityfocus.com/bid/46474
Source: secalert@redhat.com
http://www.vupen.com/english/advisories/2011/0635
Source: secalert@redhat.com
Vendor Advisory
http://downloads.asterisk.org/pub/security/AST-2011-002.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/43429
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/43702
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.debian.org/security/2011/dsa-2225
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2011/03/11/2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2011/03/11/8
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/46474
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id?1025101
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2011/0635
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

24 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
3.5%
88th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

digium