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Red Hat: CVE-2020-11653: CVE-2020-11653 varnish: remote clients may cause Varnish to assert and restart which could result in DoS (Multiple Advisories)

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Red Hat: CVE-2020-11653: CVE-2020-11653 varnish: remote clients may cause Varnish to assert and restart which could result in DoS (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
04/08/2020
Created
11/06/2020
Added
11/05/2020
Modified
12/15/2023

Description

An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.

Solution(s)

  • redhat-upgrade-varnish
  • redhat-upgrade-varnish-devel
  • redhat-upgrade-varnish-docs
  • redhat-upgrade-varnish-modules
  • redhat-upgrade-varnish-modules-debuginfo
  • redhat-upgrade-varnish-modules-debugsource

References

  • CVE-2020-11653
  • RHSA-2020:4756

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