CVE-2020-13900 : An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.

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.

Published 2020-06-10 22:15:11

Updated 2021-03-04 17:09:56

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2020-13900

Meetecho » Janus
Versions from including (>=) 0.9.0 and up to, including, (<=) 0.10.0
cpe:2.3:a:meetecho:janus:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.65%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 68 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13900

poc_exploits/janus-webrtc/CVE-2020-13900 at master · merrychap/poc_exploits · GitHub
Exploit;Third Party Advisory
https://github.com/meetecho/janus-gateway/pull/2214

Security fixes in SDP code by lminiero · Pull Request #2214 · meetecho/janus-gateway · GitHub
Patch;Third Party Advisory

CVEs referencing this url
https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L64

janus-gateway/sdp.c at v0.10.0 · meetecho/janus-gateway · GitHub
Third Party Advisory
https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L74

janus-gateway/sdp.c at v0.10.0 · meetecho/janus-gateway · GitHub
Third Party Advisory

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