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RHEL 7: RHSA-2021:1135-01 Important: Squid HTTP Request Smuggling

red hat
Calendar Grey April 8, 2021
Dist Redhat Esm H88
Crucial security enhancement for Squid on RHEL 7 tackles potential HTTP request smuggling vulnerabilities, thereby enhancing overall system protection.
An update for squid is now available for Red Hat Enterprise Linux 7

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory security update software patch Red Hat Enterprise Linux important squid red hat enterprise http request smuggling HTTP request smuggling

References

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

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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

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 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 security update software patch Red Hat Enterprise Linux important squid red hat enterprise http request smuggling HTTP request smuggling

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

Bugs Fixed

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

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