Audit Linux privileges now to limit compromise, escalation, and system-wide damage. Review Linux Privileges×

Alerts This Week
Warning Icon 1 501
Alerts This Week
Warning Icon 1 501

Red Hat 7: RHSA-2014:1147-01 Important: Squid Remote Crash Issue

red hat
Calendar Grey September 3, 2014
Scroller Redhat
Recent Squid updates for Red Hat address a critical vulnerability tied to improperly formatted HTTP requests.
Updated squid packages that fix one security issue are now available for Red Hat Enterprise Linux 7

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/articles/11258

Summary

Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
A flaw was found in the way Squid handled malformed HTTP Range headers. A remote attacker able to send HTTP requests to the Squid proxy could use this flaw to crash Squid. (CVE-2014-3609)
Red Hat would like to thank the Squid project for reporting this issue. Upstream acknowledges Matthew Daley as the original reporter.
All Squid users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing this update, the squid service will be restarted automatically.

References

https://access.redhat.com/security/cve/CVE-2014-3609 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: squid-3.3.8-12.el7_0.src.rpm
ppc64: squid-3.3.8-12.el7_0.ppc64.rpm squid-debuginfo-3.3.8-12.el7_0.ppc64.rpm
s390x: squid-3.3.8-12.el7_0.s390x.rpm squid-debuginfo-3.3.8-12.el7_0.s390x.rpm
x86_64: squid-3.3.8-12.el7_0.x86_64.rpm squid-debuginfo-3.3.8-12.el7_0.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64: squid-debuginfo-3.3.8-12.el7_0.ppc64.rpm squid-sysvinit-3.3.8-12.el7_0.ppc64.rpm
s390x: squid-debuginfo-3.3.8-12.el7_0.s390x.rpm squid-sysvinit-3.3.8-12.el7_0.s390x.rpm
x86_64: squid-debuginfo-3.3.8-12.el7_0.x86_64.rpm squid-sysvinit-3.3.8-12.el7_0.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: squid-3.3.8-12.el7_0.src.rpm
x86_64: squid-3.3.8-12.el7_0.x86_64.rpm squid-debuginfo-3.3.8-12.el7_0.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: squid-debuginfo-3.3.8-12.el7_0.x86_64.rpm squid-sysvinit-3.3.8-12.el7_0.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/#package


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2014:1147-01
Product: Red Hat Enterprise Linux
Issue date: 2014-09-03

Topic

Updated squid packages that fix one security issue are now available forRed Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having Important securityimpact. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available from the CVE link in theReferences section.

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1134209 - CVE-2014-3609 squid: assertion failure in Range header processing (SQUID-2014:2)

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.