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A squid security update has been released for Red Hat Enterprise Linux 7.



RHSA-2021:1135-01: Important: squid security update



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Red Hat Security Advisory

Synopsis: Important: squid security update
Advisory ID: RHSA-2021:1135-01
Product: Red Hat Enterprise Linux
Advisory URL:   https://access.redhat.com/errata/RHSA-2021:1135
Issue date: 2021-04-08
CVE Names: CVE-2020-25097
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1. Summary:

An update for squid is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

Squid is a high-performance proxy caching server for web clients,
supporting FTP, Gopher, and HTTP data objects.

Security Fix(es):

* squid: improper input validation may allow a trusted client to perform
HTTP request smuggling (CVE-2020-25097)

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.

4. 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

After installing this update, the squid service will be restarted
automatically.

5. Bugs fixed (  https://bugzilla.redhat.com/):

1939925 - CVE-2020-25097 squid: improper input validation may allow a trusted client to perform HTTP request smuggling

6. Package List:

Red Hat Enterprise Linux Server (v. 7):

Source:
squid-3.5.20-17.el7_9.6.src.rpm

ppc64:
squid-3.5.20-17.el7_9.6.ppc64.rpm
squid-debuginfo-3.5.20-17.el7_9.6.ppc64.rpm
squid-migration-script-3.5.20-17.el7_9.6.ppc64.rpm

ppc64le:
squid-3.5.20-17.el7_9.6.ppc64le.rpm
squid-debuginfo-3.5.20-17.el7_9.6.ppc64le.rpm
squid-migration-script-3.5.20-17.el7_9.6.ppc64le.rpm

s390x:
squid-3.5.20-17.el7_9.6.s390x.rpm
squid-debuginfo-3.5.20-17.el7_9.6.s390x.rpm
squid-migration-script-3.5.20-17.el7_9.6.s390x.rpm

x86_64:
squid-3.5.20-17.el7_9.6.x86_64.rpm
squid-debuginfo-3.5.20-17.el7_9.6.x86_64.rpm
squid-migration-script-3.5.20-17.el7_9.6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
squid-debuginfo-3.5.20-17.el7_9.6.ppc64.rpm
squid-sysvinit-3.5.20-17.el7_9.6.ppc64.rpm

ppc64le:
squid-debuginfo-3.5.20-17.el7_9.6.ppc64le.rpm
squid-sysvinit-3.5.20-17.el7_9.6.ppc64le.rpm

s390x:
squid-debuginfo-3.5.20-17.el7_9.6.s390x.rpm
squid-sysvinit-3.5.20-17.el7_9.6.s390x.rpm

x86_64:
squid-debuginfo-3.5.20-17.el7_9.6.x86_64.rpm
squid-sysvinit-3.5.20-17.el7_9.6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
squid-3.5.20-17.el7_9.6.src.rpm

x86_64:
squid-3.5.20-17.el7_9.6.x86_64.rpm
squid-debuginfo-3.5.20-17.el7_9.6.x86_64.rpm
squid-migration-script-3.5.20-17.el7_9.6.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
squid-debuginfo-3.5.20-17.el7_9.6.x86_64.rpm
squid-sysvinit-3.5.20-17.el7_9.6.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
  https://access.redhat.com/security/team/key/

7. References:

  https://access.redhat.com/security/cve/CVE-2020-25097
  https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at   https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.