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, 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;…
Does this matter?
Lower severity and a low EPSS score (3.52%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 3.52% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- digium/asterisk · digium/asterisknow · digium/s800i
- Source
- secalert@redhat.com
References
- http://downloads.asterisk.org/pub/security/AST-2011-002.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.htmlPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.htmlPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.htmlPatch
- http://secunia.com/advisories/43429Vendor Advisory
- http://secunia.com/advisories/43702Vendor Advisory
- http://www.debian.org/security/2011/dsa-2225
- http://www.openwall.com/lists/oss-security/2011/03/11/2
- http://www.openwall.com/lists/oss-security/2011/03/11/8
- http://www.securityfocus.com/bid/46474
- http://www.securitytracker.com/id?1025101
- http://www.vupen.com/english/advisories/2011/0635Vendor Advisory
- http://downloads.asterisk.org/pub/security/AST-2011-002.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.htmlPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.htmlPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.htmlPatch
- http://secunia.com/advisories/43429Vendor Advisory
- http://secunia.com/advisories/43702Vendor Advisory
- http://www.debian.org/security/2011/dsa-2225
- http://www.openwall.com/lists/oss-security/2011/03/11/2
- http://www.openwall.com/lists/oss-security/2011/03/11/8
- http://www.securityfocus.com/bid/46474
- http://www.securitytracker.com/id?1025101
- http://www.vupen.com/english/advisories/2011/0635Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.