The PJSIP Channel Driver in Asterisk Open Source before 12.3.1 allows
remote attackers to cause a denial of service (deadlock) by
terminating a subscription request before it is complete, which
triggers a SIP transaction timeout.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20140612 AST-2014-008: Denial of Service in PJSIP Channel Driver Subscriptions
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