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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: squid:4 security, bug fix, and enhancement update
Advisory ID:       RHSA-2021:4292-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4292
Issue date:        2021-11-09
CVE Names:         CVE-2021-28651 CVE-2021-28652 CVE-2021-28662 
                   CVE-2021-31806 CVE-2021-31807 CVE-2021-31808 
                   CVE-2021-33620 
====================================================================
1. Summary:

An update for the squid:4 module is now available for Red Hat Enterprise
Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

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

3. Description:

Squid is a high-performance proxy caching server for web clients,
supporting FTP, Gopher, and HTTP data objects.

The following packages have been upgraded to a later upstream version:
squid (4.15). (BZ#1964384)

Security Fix(es):

* squid: denial of service in URN processing (CVE-2021-28651)

* squid: denial of service issue in Cache Manager (CVE-2021-28652)

* squid: denial of service in HTTP response processing (CVE-2021-28662)

* squid: improper input validation in HTTP Range header (CVE-2021-31806)

* squid: incorrect memory management in HTTP Range header (CVE-2021-31807)

* squid: integer overflow in HTTP Range header (CVE-2021-31808)

* squid: denial of service in HTTP response processing (CVE-2021-33620)

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 8.5 Release Notes linked from the References section.

4. 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.

5. Bugs fixed (https://bugzilla.redhat.com/):

1959537 - CVE-2021-33620 squid: denial of service in HTTP response processing
1962243 - CVE-2021-28651 squid: denial of service in URN processing
1962246 - CVE-2021-28652 squid: denial of service issue in Cache Manager
1962254 - CVE-2021-28662 squid: denial of service in HTTP response processing
1962595 - CVE-2021-31806 squid: improper input validation in HTTP Range header
1962597 - CVE-2021-31807 squid: incorrect memory management in HTTP Range header
1962599 - CVE-2021-31808 squid: integer overflow in HTTP Range header

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm
squid-4.15-1.module+el8.5.0+11469+24c223d9.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-4.15-1.module+el8.5.0+11469+24c223d9.aarch64.rpm
squid-debuginfo-4.15-1.module+el8.5.0+11469+24c223d9.aarch64.rpm
squid-debugsource-4.15-1.module+el8.5.0+11469+24c223d9.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-4.15-1.module+el8.5.0+11469+24c223d9.ppc64le.rpm
squid-debuginfo-4.15-1.module+el8.5.0+11469+24c223d9.ppc64le.rpm
squid-debugsource-4.15-1.module+el8.5.0+11469+24c223d9.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
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
squid-4.15-1.module+el8.5.0+11469+24c223d9.s390x.rpm
squid-debuginfo-4.15-1.module+el8.5.0+11469+24c223d9.s390x.rpm
squid-debugsource-4.15-1.module+el8.5.0+11469+24c223d9.s390x.rpm

x86_64:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
squid-4.15-1.module+el8.5.0+11469+24c223d9.x86_64.rpm
squid-debuginfo-4.15-1.module+el8.5.0+11469+24c223d9.x86_64.rpm
squid-debugsource-4.15-1.module+el8.5.0+11469+24c223d9.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2021-28651
https://access.redhat.com/security/cve/CVE-2021-28652
https://access.redhat.com/security/cve/CVE-2021-28662
https://access.redhat.com/security/cve/CVE-2021-31806
https://access.redhat.com/security/cve/CVE-2021-31807
https://access.redhat.com/security/cve/CVE-2021-31808
https://access.redhat.com/security/cve/CVE-2021-33620
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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RedHat: RHSA-2021-4292:02 Moderate: squid:4 security, bug fix,

An update for the squid:4 module is now available for Red Hat Enterprise Linux 8

Summary

Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
The following packages have been upgraded to a later upstream version: squid (4.15). (BZ#1964384)
Security Fix(es):
* squid: denial of service in URN processing (CVE-2021-28651)
* squid: denial of service issue in Cache Manager (CVE-2021-28652)
* squid: denial of service in HTTP response processing (CVE-2021-28662)
* squid: improper input validation in HTTP Range header (CVE-2021-31806)
* squid: incorrect memory management in HTTP Range header (CVE-2021-31807)
* squid: integer overflow in HTTP Range header (CVE-2021-31808)
* squid: denial of service in HTTP response processing (CVE-2021-33620)
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 8.5 Release Notes linked from the References section.

Summary

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.

References

https://access.redhat.com/security/cve/CVE-2021-28651 https://access.redhat.com/security/cve/CVE-2021-28652 https://access.redhat.com/security/cve/CVE-2021-28662 https://access.redhat.com/security/cve/CVE-2021-31806 https://access.redhat.com/security/cve/CVE-2021-31807 https://access.redhat.com/security/cve/CVE-2021-31808 https://access.redhat.com/security/cve/CVE-2021-33620 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm squid-4.15-1.module+el8.5.0+11469+24c223d9.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-4.15-1.module+el8.5.0+11469+24c223d9.aarch64.rpm squid-debuginfo-4.15-1.module+el8.5.0+11469+24c223d9.aarch64.rpm squid-debugsource-4.15-1.module+el8.5.0+11469+24c223d9.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-4.15-1.module+el8.5.0+11469+24c223d9.ppc64le.rpm squid-debuginfo-4.15-1.module+el8.5.0+11469+24c223d9.ppc64le.rpm squid-debugsource-4.15-1.module+el8.5.0+11469+24c223d9.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 libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm squid-4.15-1.module+el8.5.0+11469+24c223d9.s390x.rpm squid-debuginfo-4.15-1.module+el8.5.0+11469+24c223d9.s390x.rpm squid-debugsource-4.15-1.module+el8.5.0+11469+24c223d9.s390x.rpm
x86_64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm squid-4.15-1.module+el8.5.0+11469+24c223d9.x86_64.rpm squid-debuginfo-4.15-1.module+el8.5.0+11469+24c223d9.x86_64.rpm squid-debugsource-4.15-1.module+el8.5.0+11469+24c223d9.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

Severity

Advisory ID: RHSA-2021:4292-01

Product: Red Hat Enterprise Linux

Advisory URL: https://access.redhat.com/errata/RHSA-2021:4292

Issued Date: : 2021-11-09

CVE Names: CVE-2021-28651 CVE-2021-28652 CVE-2021-28662 CVE-2021-31806 CVE-2021-31807 CVE-2021-31808 CVE-2021-33620

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.