CVEvulnerability

CVE-2009-0871

3.5 LOW Published 2009-03-11 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2009-03-11
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
3.5 LOW — AV:N/AC:M/Au:S/C:N/I:N/A:P
Weaknesses
CWE-20

Description

The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions.

Affected configurations

• digium asterisk 1.4.22 • digium asterisk 1.4.23 • digium asterisk 1.4.23.1 • digium asterisk 1.6.0 • digium asterisk 1.6.0.1 • digium asterisk 1.6.0.2 • digium asterisk 1.6.0.3 • digium asterisk 1.6.0.4 • digium asterisk 1.6.0.5 • digium asterisk 1.6.1 • digium asterisk c.2.3

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References