Improper input validation in Digium Asterisk
CVE-2009-0871
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.026 (83.5th percentile) — read the EPSS interpretation.
Affected products
- Digium Asterisk — versions 1.4.22, 1.4.23, 1.4.23.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_OSVDB, vdb-entry)
- cve@mitre.org (Patch, vdb-entry, x_refsource_BID)
- cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (vdb-entry, x_refsource_VUPEN)
- cve@mitre.org (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)