Bug 1988430 (CVE-2021-31878) - CVE-2021-31878 asterisk: Remote Crash Vulnerability in PJSIP channel driver may lead to DoS
Summary: CVE-2021-31878 asterisk: Remote Crash Vulnerability in PJSIP channel driver m...
Alias: CVE-2021-31878
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1988431
TreeView+ depends on / blocked
Reported: 2021-07-30 14:11 UTC by Marian Rehak
Modified: 2021-07-30 19:06 UTC (History)
3 users (show)

Fixed In Version:
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Last Closed: 2021-07-30 19:06:53 UTC

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Description Marian Rehak 2021-07-30 14:11:35 UTC
When Asterisk receives a re-INVITE without SDP after having sent a BYE request a crash will occur. This occurs due to the Asterisk channel no longer being present while code assumes it is.

Upstream Issue:


Comment 1 Marian Rehak 2021-07-30 14:12:02 UTC
Created asterisk tracking bugs for this issue:

Affects: fedora-all [bug 1988431]

Comment 2 Product Security DevOps Team 2021-07-30 19:06:53 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

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