CVE-2024-30156 — Allocation of Resources Without Limits or Throttling in Varnish

CWE-770 — Allocation of Resources Without Limits or ThrottlingCWE-400 — Uncontrolled Resource Consumption6 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.1%
top 78.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Varnish-cache Varnish
Timeline
PublishedMar 24

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶Debianvarnish-cache/varnish< 7.5.0-1+1

🔴Vulnerability Details

3
CVEList
CVE-2024-30156: Varnish Cache before 7↗2024-03-24
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OSV
CVE-2024-30156: Varnish Cache before 7↗2024-03-24
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GHSA
GHSA-c3wj-m54r-wfgq: Varnish Cache before 7↗2024-03-24
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📋Vendor Advisories

2
Red Hat
varnish: HTTP/2 Broken Window Attack may result in denial of service↗2024-03-24
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Debian
CVE-2024-30156: varnish - Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 (and before 6.0.13 LTS), and V...↗2024
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CVE-2024-30156 — Varnish-cache Varnish vulnerability | cvebase