Bug 1222512 (CVE-2024-28871)

Summary:	VUL-0: CVE-2024-28871: libhtp: excessive CPU usage when parsing malformed traffic
Product:	[openSUSE] openSUSE Tumbleweed	Reporter:	SMASH SMASH <smash_bz>
Component:	Security	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Major
Priority:	P3 - Medium	CC:	Andreas.Stieger, camila.matos
Version:	Current
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/400377/
Whiteboard:	CVSSv3.1:SUSE:CVE-2024-28871:7.5:(AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-04-09 08:30:08 UTC

LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may parse malformed request traffic, leading to excessive CPU usage. Version 0.5.47 contains a patch for the issue. No known workarounds are available.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-28871
https://www.cve.org/CVERecord?id=CVE-2024-28871
https://github.com/OISF/libhtp/commit/79e713f3e527593a45f545e854cd9e6fbb3cd3ed
https://github.com/OISF/libhtp/commit/bf618ec7f243cebfb0f7e84c3cb158955cb32b4d
https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg
https://redmine.openinfosecfoundation.org/issues/6757

Comment 1 Camila Camargo de Matos 2024-04-09 08:34:14 UTC

As per the GitHub advisory [0], this seems to have been introduced in version 0.5.46 by commit bf618ec7 [1]. The fix can be found in commit 79e713f3 [2].

openSUSE:Factory/libhtp is affected by this issue.

[0] https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg
[1] https://github.com/OISF/libhtp/commit/bf618ec7f243cebfb0f7e84c3cb158955cb32b4d
[2] https://github.com/OISF/libhtp/commit/79e713f3e527593a45f545e854cd9e6fbb3cd3ed

Comment 2 Otto Hollmann 2024-05-03 09:24:50 UTC

Resolved by a version upgrade to 0.5.48
> https://build.opensuse.org/request/show/1170919

Assigning back to security team.

Comment 3 Andreas Stieger 2024-06-01 20:16:01 UTC

fixed in Tumbleweed, moving/closing