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RedHat: RHSA-2021:1979-01 Important: Squid HTTP Request Smuggling Issue

red hat
Calendar Grey May 18, 2021
Dist Redhat Esm H88
A crucial release for squid:4 on Fedora addresses HTTP request smuggling vulnerabilities by implementing enhanced input validation measures.
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: 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 red hat patch important squid input validation http request

References

https://access.redhat.com/security/cve/CVE-2020-25097 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-4.11-4.module+el8.4.0+10676+a969168e.2.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-4.11-4.module+el8.4.0+10676+a969168e.2.aarch64.rpm squid-debuginfo-4.11-4.module+el8.4.0+10676+a969168e.2.aarch64.rpm squid-debugsource-4.11-4.module+el8.4.0+10676+a969168e.2.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-4.11-4.module+el8.4.0+10676+a969168e.2.ppc64le.rpm squid-debuginfo-4.11-4.module+el8.4.0+10676+a969168e.2.ppc64le.rpm squid-debugsource-4.11-4.module+el8.4.0+10676+a969168e.2.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-2021:1979-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1979
Issue date: 2021-05-18

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 red hat patch important squid input validation http request

Relevant Releases Architectures

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