CVE-2011-2665 — Asterisk vulnerability

4 documents4 sources
Severity
5.0MEDIUMNVD
EPSS
2.3%
top 15.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Digium AsteriskDebian Asterisk
Timeline
PublishedJul 6
Latest updateMay 17

Description

reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.

CVSS vector

AV:N/AC:L/C:N/I:N/A:PExploitability: 10.0 | Impact: 2.9

Affected Packages3 packages

▶debiandebian/asterisk< asterisk 1:1.8.4.3-1 (bullseye)
▶Debiandigium/asterisk< 1:1.8.4.3-1
▶NVDdigium/asterisk16 versions+15

Patches

Patch: downloads.asterisk.org ↗Patch: downloads.asterisk.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-88q7-cxrf-7jjm: reqresp_parser↗2022-05-17
▶
OSV
CVE-2011-2665: reqresp_parser↗2011-07-06
▶

📋Vendor Advisories

1
Debian
CVE-2011-2665: asterisk - reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before ...↗2011
▶