Vulnerability identifier: #VU25492

Vulnerability risk: Medium

CVSSv3.1: 6.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-6061

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
coTURN
Server applications / Other server solutions

Vendor: coTURN

Description

The vulnerability allows a remote attacker to cause information leaks and other misbehavior.

The vulnerability exists due to a boundary error when web server parses POST requests. A remote attacker can send a specially crafted HTTPS request, trigger heap-based buffer overflow and cause information leaks and other misbehavior.

Mitigation
Install update from vendor's website.

Vulnerable software versions

coTURN: 4.5.1.1

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External links
http://talosintelligence.com/vulnerability_reports/TALOS-2020-0984
http://github.com/coturn/coturn/blob/master/ChangeLog

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.