MGASA-2021-0387 - Updated varnish packages fix a security vulnerability

Publication date: 28 Jul 2021
URL: https://advisories.mageia.org/MGASA-2021-0387.html
Type: security
Affected Mageia releases: 8
CVE: CVE-2021-36740

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://varnish-cache.org/security/VSV00007.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36740

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

Mageia 2021-0387: varnish security update

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://varnish-cache.org/security/VSV00007.html

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36740

Resolution

MGASA-2021-0387 - Updated varnish packages fix a security vulnerability

SRPMS

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

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

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