PT-2020-13857 · Meetecho+1 · Janus-Gateway+1

Marat Gayanov · Published 2020-06-15 · Updated 2020-06-18 · CVE-2020-14034

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 An issue was discovered in janus-gateway, where the janus get codec from pt function in utils.c has a Buffer Overflow via a long value in an SDP Offer packet.

Recommendations For versions through 0.10.0, consider disabling the janus get codec from pt function until a patch is available. Restrict access to the utils.c module to minimize the risk of exploitation. Avoid using long values in SDP Offer packets in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

ALT-PU-2020-2180

CVE-2020-14034

Affected Products

Alt Linux

Janus-Gateway

References · 12

• https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L401 · Patch
• https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L381 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-14034 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-14034 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-14034 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-14034 · Security Note
• https://osv.dev/vulnerability/CVE-2020-14034 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14034 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-14034 · Vendor Advisory
• https://github.com/meetecho/janus-gateway/pull/2229 · Note
• https://github.com/meetecho/janus-gateway/commit/dacb4edfad8e77f73b64d8c175cca0a7796ebf80 · Note
• https://t.me/cvenotify/4378 · Telegram Post