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Red Hat: RHSA-2022-6777-01 Important: Squid Authentication Buffer Over-Read

red hat
Calendar Grey October 4, 2022
Dist Redhat Esm H88
A critical patch for Red Hat Enterprise Linux squid:4 module addresses a buffer over-read vulnerability in its authentication mechanism.
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.2 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

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: buffer-over-read in SSPI and SMB authentication (CVE-2022-41318)
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 authentication issue squid important update buffer over-read

References

https://access.redhat.com/security/cve/CVE-2022-41318 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm squid-4.4-8.module+el8.2.0+16757+26d6b59c.5.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-4.4-8.module+el8.2.0+16757+26d6b59c.5.aarch64.rpm squid-debuginfo-4.4-8.module+el8.2.0+16757+26d6b59c.5.aarch64.rpm squid-debugsource-4.4-8.module+el8.2.0+16757+26d6b59c.5.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-4.4-8.module+el8.2.0+16757+26d6b59c.5.ppc64le.rpm squid-debuginfo-4.4-8.module+el8.2.0+16757+26d6b59c.5.ppc64le.rpm squid-debugsource-4.4-8.module+el8.2.0+16757+26d6b59c.5.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-2022:6777-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6777
Issue date: 2022-10-04

Topic

An update for the squid:4 module is now available for Red Hat EnterpriseLinux 8.2 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 Red Hat authentication issue squid important update buffer over-read

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2129771 - CVE-2022-41318 squid: buffer-over-read in SSPI and SMB authentication

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