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Red Hat: 8.4 High Severity: Varnish HTTP Smuggling CVE-2022-23959

red hat
Calendar Grey February 3, 2022
Dist Redhat Esm H88
A critical security patch for Varnish 6 has been issued by Red Hat, addressing an HTTP smuggling flaw present in the Enterprise Linux 8.4.
An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up.
Security Fix(es):
* varnish: HTTP/1 request smuggling vulnerability (CVE-2022-23959)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory high severity Red Hat security impact HTTP issue varnish

References

https://access.redhat.com/security/cve/CVE-2022-23959 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream EUS (v.8.4):
Source: varnish-6.0.6-2.module+el8.4.0+14090+331e4860.2.src.rpm varnish-modules-0.15.0-5.module+el8.3.0+6843+b3b42fcc.src.rpm
aarch64: varnish-6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64.rpm varnish-devel-6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64.rpm varnish-docs-6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64.rpm varnish-modules-0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64.rpm varnish-modules-debuginfo-0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64.rpm varnish-modules-debugsource-0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64.rpm
ppc64le: varnish-6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le.rpm varnish-devel-6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le.rpm varnish-docs-6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le.rpm varnish-modules-0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le.rpm varnish-modules-debuginfo-0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le.rpm varnish-modules-debugsource-0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le.rpm
s390x: varnish-6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x.rpm varnish-devel-6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x.rpm varnish-docs-6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x.rpm varnish-modules-0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0422-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0422
Issue date: 2022-02-03

Topic

An update for the varnish:6 module is now available for Red Hat EnterpriseLinux 8.4 Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory high severity Red Hat security impact HTTP issue varnish

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2045031 - CVE-2022-23959 varnish: HTTP/1 request smuggling vulnerability

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