CVE-2011-1147 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Asterisk
Severity
6.8MEDIUMNVD
EPSS
3.4%
top 12.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 15
Latest updateMay 17
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 vector
AV:N/AC:M/C:P/I:P/A:PExploitability: 8.6 | Impact: 6.4
Affected Packages4 packages
Patches
🔴Vulnerability Details
2GHSA▶
GHSA-747x-cf7f-hf5f: Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl↗2022-05-17
OSV▶
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↗2011-03-15
📋Vendor Advisories
1Debian▶
CVE-2011-1147: asterisk - Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type...↗2011
💬Community
2Bugzilla▶
CVE-2011-0495 Asterisk: Stack-based buffer overflow by forming an outgoing SIP request with specially-crafted caller ID information (AST-2011-001)↗2011-01-19
Bugzilla▶
CVE-2011-0495 Asterisk: Stack-based buffer overflow by forming an outgoing SIP request with specially-crafted caller ID information (AST-2011-001) [fedora-all]↗2011-01-19