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Red Hat Enterprise Linux 7: RHSA-2022:5542-01 Important: Squid DoS

red hat
Calendar Grey July 27, 2022
Dist Redhat Esm H88
A recent Squid security patch for RHEL 7 tackles critical denial of service vulnerabilities, bolstering network 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: DoS when processing gopher server responses (CVE-2021-46784)
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 Red Hat DoS important squid

References

https://access.redhat.com/security/cve/CVE-2021-46784 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: squid-3.5.20-17.el7_9.7.src.rpm
ppc64: squid-3.5.20-17.el7_9.7.ppc64.rpm squid-debuginfo-3.5.20-17.el7_9.7.ppc64.rpm squid-migration-script-3.5.20-17.el7_9.7.ppc64.rpm
ppc64le: squid-3.5.20-17.el7_9.7.ppc64le.rpm squid-debuginfo-3.5.20-17.el7_9.7.ppc64le.rpm squid-migration-script-3.5.20-17.el7_9.7.ppc64le.rpm
s390x: squid-3.5.20-17.el7_9.7.s390x.rpm squid-debuginfo-3.5.20-17.el7_9.7.s390x.rpm squid-migration-script-3.5.20-17.el7_9.7.s390x.rpm
x86_64: squid-3.5.20-17.el7_9.7.x86_64.rpm squid-debuginfo-3.5.20-17.el7_9.7.x86_64.rpm squid-migration-script-3.5.20-17.el7_9.7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64: squid-debuginfo-3.5.20-17.el7_9.7.ppc64.rpm squid-sysvinit-3.5.20-17.el7_9.7.ppc64.rpm
ppc64le: squid-debuginfo-3.5.20-17.el7_9.7.ppc64le.rpm squid-sysvinit-3.5.20-17.el7_9.7.ppc64le.rpm
s390x: squid-debuginfo-3.5.20-17.el7_9.7.s390x.rpm squid-sysvinit-3.5.20-17.el7_9.7.s390x.rpm
x86_64: squid-debuginfo-3.5.20-17.el7_9.7.x86_64.rpm squid-sysvinit-3.5.20-17.el7_9.7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: squid-3.5.20-17.el7_9.7.src.rpm
x86_64: squid-3.5.20-17.el7_9.7.x86_64.rpm squid-debuginfo-3.5.20-17.el7_9.7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:5542-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:5542
Issue date: 2022-07-11

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 Red Hat DoS important squid

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

2100721 - CVE-2021-46784 squid: DoS when processing gopher server responses

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