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Mageia 8 MGASA-2021-0387 Critical: Varnish Request Smuggling

mageia
Calendar Grey July 28, 2021
Dist Mageia Esm H88
MGASA-2021-0388 OpenSSL components upgraded to address a severe vulnerability in verification processes and data exposure.
Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request

Summary

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8 (CVE-2021-36740).

References

- https://bugs.mageia.org/show_bug.cgi?id=29290

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/

- https://vinyl-cache.org/security/VSV00007.html

- https://www.cve.org/CVERecord?id=CVE-2021-36740

Topics%20covered

Topics Covered

security advisory critical severity request smuggling authorization bypass Mageia HTTP/2 Varnish Cache

Resolution

SRPMS

- 8/core/varnish-6.5.1-1.1.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 28 Jul 2021
URL: https://advisories.mageia.org/MGASA-2021-0387.html
Type: security
CVE: CVE-2021-36740

Topics%20covered

Topics Covered

security advisory critical severity request smuggling authorization bypass Mageia HTTP/2 Varnish Cache

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