PT-2020-13765 · Meetecho+1 · Janus-Gateway+1

Mikhail Evdokimov · Published 2020-06-10 · Updated 2021-03-04 · CVE-2020-13901

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions janus-gateway versions through 0.10.0

Description A stack-based buffer overflow issue was discovered in the janus sdp merge function in sdp.c. This issue can be exploited due to the lack of proper validation of input data.

Recommendations For versions through 0.10.0, consider disabling the janus sdp merge function as a temporary workaround until a patch is available. Restrict access to the sdp.c module to minimize the risk of exploitation. Avoid using the janus-gateway until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2020-2180

CVE-2020-13901

Affected Products

Alt Linux

Janus-Gateway

References · 12

• 🔥 https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13901 · Exploit
• 🔥 https://github.com/merrychap/CVEs/tree/master/CVE-2020-13901 · Exploit
• https://github.com/meetecho/janus-gateway/pull/2214 · Patch
• https://security-tracker.debian.org/tracker/CVE-2020-13901 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-13901 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-13901 · Security Note
• https://osv.dev/vulnerability/CVE-2020-13901 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-13901 · Security Note
• https://ubuntu.com/security/CVE-2020-13901 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-13901 · Vendor Advisory
• https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L1248 · Note
• https://t.me/cvenotify/4294 · Telegram Post