Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2011-2665

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.

Published

2011-07-06T19:55:03.590

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.1 Yes
Application digium asterisk 1.8.1 Yes
Application digium asterisk 1.8.1.1 Yes
Application digium asterisk 1.8.1.2 Yes
Application digium asterisk 1.8.2 Yes
Application digium asterisk 1.8.2.1 Yes
Application digium asterisk 1.8.2.2 Yes
Application digium asterisk 1.8.2.3 Yes
Application digium asterisk 1.8.2.4 Yes
Application digium asterisk 1.8.3 Yes
Application digium asterisk 1.8.3 Yes
Application digium asterisk 1.8.3 Yes
Application digium asterisk 1.8.3 Yes
Application digium asterisk 1.8.3.1 Yes
Application digium asterisk 1.8.3.2 Yes
Application digium asterisk 1.8.3.3 Yes
Application digium asterisk 1.8.4 Yes
Application digium asterisk 1.8.4 Yes
Application digium asterisk 1.8.4 Yes
Application digium asterisk 1.8.4 Yes
Application digium asterisk 1.8.4.1 Yes
Application digium asterisk 1.8.4.2 Yes
References