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Red Hat 8 RHSA-2022-5526-01 Important: Squid DoS Threat Fix

red hat
Calendar Grey July 27, 2022
Dist Redhat Esm H88
A crucial patch for Squid:4 on CentOS addresses a vulnerability, bolstering system defenses against DoS attacks.
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8

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 important DoS threat squid red hat enterprise linux

References

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

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm squid-4.15-3.module+el8.6.0+15801+8fa20c64.1.src.rpm
aarch64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm squid-4.15-3.module+el8.6.0+15801+8fa20c64.1.aarch64.rpm squid-debuginfo-4.15-3.module+el8.6.0+15801+8fa20c64.1.aarch64.rpm squid-debugsource-4.15-3.module+el8.6.0+15801+8fa20c64.1.aarch64.rpm
ppc64le: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm squid-4.15-3.module+el8.6.0+15801+8fa20c64.1.ppc64le.rpm squid-debuginfo-4.15-3.module+el8.6.0+15801+8fa20c64.1.ppc64le.rpm squid-debugsource-4.15-3.module+el8.6.0+15801+8fa20c64.1.ppc64le.rpm
s390x: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:5526-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:5526
Issue date: 2022-07-07

Topic

An update for the squid:4 module is now available for Red Hat EnterpriseLinux 8.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 important DoS threat squid red hat enterprise linux

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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