An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_preparse in sdp.c has a NULL pointer dereference.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13900
Reference (s):
- https://github.com/meetecho/janus-gateway/pull/2214
- https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L64
- https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L74
- https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13900