CVE-2020-13901: Buffer Overflow

Published Jun 10, 2020
·
Updated

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janussdpmerge in sdp.c has a stack-based buffer overflow.

Affected Software

1 affected component
meetecho janus>=0.3.0<=0.10.0

Event History

Jun 10, 2020
CVE Published
via MITRE·09:09 PM
Data Sourced
via MITRE·09:09 PM
Description

Frequently Asked Questions

1

What is CVE-2020-13901?

CVE-2020-13901 is a vulnerability in janus-gateway (aka Janus WebRTC Server) through version 0.10.0 that allows for a stack-based buffer overflow in janus_sdp_merge function.

2

What is the severity of CVE-2020-13901?

The severity of CVE-2020-13901 is critical with a CVSS score of 9.8.

3

How does CVE-2020-13901 affect Meetecho Janus?

CVE-2020-13901 affects Meetecho Janus versions between 0.3.0 and 0.10.0.

4

How can I fix CVE-2020-13901?

To fix CVE-2020-13901, upgrade Meetecho Janus to version 0.10.0 or later.

5

Where can I find more information about CVE-2020-13901?

You can find more information about CVE-2020-13901 at the following references: [link to GitHub source code](https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L1248), [link to GitHub pull request](https://github.com/meetecho/janus-gateway/pull/2214), [link to proof-of-concept exploits](https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13901).

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