Improper Variable Initialization in SIP Channel Driver Allows Remote DoS in Asterisk Open Source

CVE-2011-4063 · MEDIUM Severity

AV:N/AC:L/AU:S/C:N/I:N/A:C

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request.

Learn more about our Open Source Audit.