Vulnerability identifier: #VU87829

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-24568

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Suricata
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Open Information Security Foundation

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input when handling HTTP2 headers. A remote attacker can use specially crafted HTTP/2 requests to bypass existing ruleset.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Suricata: 7.0.0 - 7.0.2

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External links
http://github.com/OISF/suricata/security/advisories/GHSA-gv29-5hqw-5h8c
http://github.com/OISF/suricata/commit/478a2a38f54e2ae235f8486bff87d7d66b6307f0
http://redmine.openinfosecfoundation.org/issues/6717
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/

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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.