[OpenSIPS-Devel] [OpenSIPS/opensips] 2617c9: Fix crash in parse_sdp when a= is empty
Răzvan Crainea
noreply at github.com
Fri Oct 8 12:01:25 EST 2021
Branch: refs/heads/master
Home: https://github.com/OpenSIPS/opensips
Commit: 2617c97207b1fe2afead9f887f7a5df4da3b7d55
https://github.com/OpenSIPS/opensips/commit/2617c97207b1fe2afead9f887f7a5df4da3b7d55
Author: Razvan Crainea <razvan at opensips.org>
Date: 2021-10-08 (Fri, 08 Oct 2021)
Changed paths:
M parser/sdp/sdp_helpr_funcs.c
Log Message:
-----------
Fix crash in parse_sdp when a= is empty
When a bogus SDP was provided, with an empty `a=` line, there was no
check for the length to be compared, resulting in a bad memory access,
hence a crash.
Issue discovered during OpenSIPS Security Audit 2021,
by Alfred Farrugia & Sandro Gauci (Enable Security)
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