Remote denial of service in GStreamer RTSP server

1) Improper access control

EUVDB-ID: #VU99528

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-44331

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper access restrictions within the RTSP server library in gst-rtsp-server/rtsp-media.c. A remote attacker can send specially crafted request to the server and perform a denial of service attack.

Note, successful exploitation of the vulnerability requires that the application is compiled with assertions enabled.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

gstreamer: 1.18.0 - 1.24.8

CPE2.3

• cpe:2.3:a:gstreamer:gstreamer:1.18.0:*:*:*:*:*:*:*
• cpe:2.3:a:gstreamer:gstreamer:1.18.1:*:*:*:*:*:*:*
• cpe:2.3:a:gstreamer:gstreamer:1.18.2:*:*:*:*:*:*:*

External links

https://github.com/dqp10515/security/tree/main/gst-rtsp-server_bug/bug1
https://gist.github.com/dqp10515/c6a8879bebe92d8c74f7c52667fd3400
https://gstreamer.freedesktop.org/security/sa-2024-0004.html

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.