VULNERABILITY INTELLIGENCE

CVE-2009-0871

CVSS score3.5 NONE
EPSS probability2.57%
CISA KEVNot currently listed
Published2009-03-11
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:S/C:N/I:N/A:P

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.

Weakness classification

  • nvd@nist.gov: CWE-20

Primary references