Bug 1221942 (CVE-2024-30156)

Summary:	VUL-0: CVE-2024-30156: varnish: HTTP/2 Broken Window Attack may result in denial of service
Product:	[openSUSE] openSUSE Distribution	Reporter:	SMASH SMASH <smash_bz>
Component:	Security	Assignee:	Jan Engelhardt <jengelh>
Status:	NEW ---	QA Contact:	Security Team bot <security-team>
Severity:	Major
Priority:	P3 - Medium	CC:	stoyan.manolov
Version:	Leap 15.6
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/398744/
Whiteboard:
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-03-26 04:17:14 UTC

Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 (and before 6.0.13 LTS), and Varnish Enterprise 6 before 6.0.12r6, allows credits exhaustion for an HTTP/2 connection control flow window, aka a Broke Window Attack.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-30156
https://varnish-cache.org/security/VSV00014.html
https://www.cve.org/CVERecord?id=CVE-2024-30156
https://varnish-cache.org/docs/7.5/whats-new/changes-7.5.html#security
https://bugzilla.redhat.com/show_bug.cgi?id=2271486