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Red Hat Enterprise Linux 8: RHSA-2022:1939-01 Moderate Squid 4 Info Leak

red hat
Calendar Grey May 10, 2022
Dist Redhat Esm H88
Critical squid:5 patch released for CentOS Stream 9; features significant vulnerabilities addressed along with detailed guidance.
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: out-of-bounds read in WCCP protocol data may lead to information disclosure (CVE-2021-28116)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate update security fix squid information disclosure red hat enterprise linux

References

https://access.redhat.com/security/cve/CVE-2021-28116 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.6_release_notes/index

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+14176+9782b8ab.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+14176+9782b8ab.aarch64.rpm squid-debuginfo-4.15-3.module+el8.6.0+14176+9782b8ab.aarch64.rpm squid-debugsource-4.15-3.module+el8.6.0+14176+9782b8ab.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+14176+9782b8ab.ppc64le.rpm squid-debuginfo-4.15-3.module+el8.6.0+14176+9782b8ab.ppc64le.rpm squid-debugsource-4.15-3.module+el8.6.0+14176+9782b8ab.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


Advisory ID: RHSA-2022:1939-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1939
Issue date: 2022-05-10

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 Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate update security fix squid information disclosure red hat enterprise linux

Relevant Releases Architectures

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

Bugs Fixed

1939939 - CVE-2021-28116 squid: out-of-bounds read in WCCP protocol data may lead to information disclosure

2006121 - SQUID shortens FTP Link wrong that contains a semi-colon and as a result is not able to download zip file.CODE 404 TO CLIENT)

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