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Red Hat: RHSA-2015:1668-01 Moderate: HTTP Request Smuggling Alert

red hat
Calendar Grey August 24, 2015
Dist Redhat Esm H88
Latest httpd updates are now available for Red Hat Enterprise Linux 6, addressing a critical vulnerability in HTTP request processing.
Updated httpd packages that fix one security issue are now available for Red Hat Enterprise Linux 6

Solution

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

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Summary

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
Multiple flaws were found in the way httpd parsed HTTP requests and responses using chunked transfer encoding. A remote attacker could use these flaws to create a specially crafted request, which httpd would decode differently from an HTTP proxy software in front of it, possibly leading to HTTP request smuggling attacks. (CVE-2015-3183)
All httpd users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the updated packages, the httpd service will be restarted automatically.

Topics%20covered

Topics Covered

security advisory moderate security issue update red hat httpd request parsing

References

https://access.redhat.com/security/cve/CVE-2015-3183 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: httpd-2.2.15-47.el6_7.src.rpm
i386: httpd-2.2.15-47.el6_7.i686.rpm httpd-debuginfo-2.2.15-47.el6_7.i686.rpm httpd-tools-2.2.15-47.el6_7.i686.rpm
x86_64: httpd-2.2.15-47.el6_7.x86_64.rpm httpd-debuginfo-2.2.15-47.el6_7.x86_64.rpm httpd-tools-2.2.15-47.el6_7.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386: httpd-debuginfo-2.2.15-47.el6_7.i686.rpm httpd-devel-2.2.15-47.el6_7.i686.rpm mod_ssl-2.2.15-47.el6_7.i686.rpm
noarch: httpd-manual-2.2.15-47.el6_7.noarch.rpm
x86_64: httpd-debuginfo-2.2.15-47.el6_7.i686.rpm httpd-debuginfo-2.2.15-47.el6_7.x86_64.rpm httpd-devel-2.2.15-47.el6_7.i686.rpm httpd-devel-2.2.15-47.el6_7.x86_64.rpm mod_ssl-2.2.15-47.el6_7.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: httpd-2.2.15-47.el6_7.src.rpm
x86_64: httpd-2.2.15-47.el6_7.x86_64.rpm httpd-debuginfo-2.2.15-47.el6_7.x86_64.rpm httpd-tools-2.2.15-47.el6_7.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
noarch: httpd-manual-2.2.15-47.el6_7.noarch.rpm
x86_64: httpd-debuginfo-2.2.15-47.el6_7.i686.rpm httpd-debuginfo-2.2.15-47.el6_7.x86_64.rpm httpd-devel-2.2.15-47.el6_7.i686.rpm httpd-devel-2.2.15-47.el6_7.x86_64.rpm mod_ssl-2.2.15-47.el6_7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:

Read the Full Advisory


Advisory ID: RHSA-2015:1668-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2015:1668.html
Issue date: 2015-08-24

Topic

Updated httpd packages that fix one security issue are now available forRed Hat Enterprise Linux 6.Red Hat Product Security has rated this update as having Moderate securityimpact. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available from the CVE link in theReferences section.

Topics%20covered

Topics Covered

security advisory moderate security issue update red hat httpd request parsing

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, noarch, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - noarch, x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64

Bugs Fixed

1243887 - CVE-2015-3183 httpd: HTTP request smuggling attack against chunked request parser

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