CyberRota Analysis
This is a low severity vulnerability with a CVSS score of 3.5. It may be remotely exploitable. Exploitation may require the attacker to be authenticated. It may lead to a denial-of-service condition.
CVE
CVE-2009-0871
Severity
LOW
CVSS
3.5
EPSS
2.57%
Original NVD 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.