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Red Hat alert RHSA-2010:0168-01 (httpd)

Subject:  [RHSA-2010:0168-01] Moderate: httpd security and enhancement update
Date:  Thu, 25 Mar 2010 12:08:34 +0100
Message-ID:  <>
Archive-link:  Article, Thread

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: httpd security and enhancement update Advisory ID: RHSA-2010:0168-01 Product: Red Hat Enterprise Linux Advisory URL: Issue date: 2010-03-25 CVE Names: CVE-2010-0408 CVE-2010-0434 ===================================================================== 1. Summary: Updated httpd packages that fix two security issues and add an enhancement are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. 2. Relevant releases/architectures: RHEL Desktop Workstation (v. 5 client) - i386, x86_64 Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64 Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64 3. Description: The Apache HTTP Server is a popular web server. It was discovered that mod_proxy_ajp incorrectly returned an "Internal Server Error" response when processing certain malformed requests, which caused the back-end server to be marked as failed in configurations where mod_proxy is used in load balancer mode. A remote attacker could cause mod_proxy to not send requests to back-end AJP (Apache JServ Protocol) servers for the retry timeout period (60 seconds by default) by sending specially-crafted requests. (CVE-2010-0408) A use-after-free flaw was discovered in the way the Apache HTTP Server handled request headers in subrequests. In configurations where subrequests are used, a multithreaded MPM (Multi-Processing Module) could possibly leak information from other requests in request replies. (CVE-2010-0434) This update also adds the following enhancement: * with the updated openssl packages from RHSA-2010:0162 installed, mod_ssl will refuse to renegotiate a TLS/SSL connection with an unpatched client that does not support RFC 5746. This update adds the "SSLInsecureRenegotiation" configuration directive. If this directive is enabled, mod_ssl will renegotiate insecurely with unpatched clients. (BZ#567980) Refer to the following Red Hat Knowledgebase article for more details about the changed mod_ssl behavior: All httpd users should upgrade to these updated packages, which contain backported patches to correct these issues and add this enhancement. After installing the updated packages, the httpd daemon must be restarted for the update to take effect. 4. 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 5. Bugs fixed ( 567980 - [RFE] mod_ssl: Add SSLInsecureRenegotiation directive [rhel-5] 569905 - CVE-2010-0408 httpd: mod_proxy_ajp remote temporary DoS 570171 - CVE-2010-0434 httpd: request header information leak 6. Package List: Red Hat Enterprise Linux Desktop (v. 5 client): Source: i386: httpd-2.2.3-31.el5_4.4.i386.rpm httpd-debuginfo-2.2.3-31.el5_4.4.i386.rpm mod_ssl-2.2.3-31.el5_4.4.i386.rpm x86_64: httpd-2.2.3-31.el5_4.4.x86_64.rpm httpd-debuginfo-2.2.3-31.el5_4.4.x86_64.rpm mod_ssl-2.2.3-31.el5_4.4.x86_64.rpm RHEL Desktop Workstation (v. 5 client): Source: i386: httpd-debuginfo-2.2.3-31.el5_4.4.i386.rpm httpd-devel-2.2.3-31.el5_4.4.i386.rpm httpd-manual-2.2.3-31.el5_4.4.i386.rpm x86_64: httpd-debuginfo-2.2.3-31.el5_4.4.i386.rpm httpd-debuginfo-2.2.3-31.el5_4.4.x86_64.rpm httpd-devel-2.2.3-31.el5_4.4.i386.rpm httpd-devel-2.2.3-31.el5_4.4.x86_64.rpm httpd-manual-2.2.3-31.el5_4.4.x86_64.rpm Red Hat Enterprise Linux (v. 5 server): Source: i386: httpd-2.2.3-31.el5_4.4.i386.rpm httpd-debuginfo-2.2.3-31.el5_4.4.i386.rpm httpd-devel-2.2.3-31.el5_4.4.i386.rpm httpd-manual-2.2.3-31.el5_4.4.i386.rpm mod_ssl-2.2.3-31.el5_4.4.i386.rpm ia64: httpd-2.2.3-31.el5_4.4.ia64.rpm httpd-debuginfo-2.2.3-31.el5_4.4.ia64.rpm httpd-devel-2.2.3-31.el5_4.4.ia64.rpm httpd-manual-2.2.3-31.el5_4.4.ia64.rpm mod_ssl-2.2.3-31.el5_4.4.ia64.rpm ppc: httpd-2.2.3-31.el5_4.4.ppc.rpm httpd-debuginfo-2.2.3-31.el5_4.4.ppc.rpm httpd-debuginfo-2.2.3-31.el5_4.4.ppc64.rpm httpd-devel-2.2.3-31.el5_4.4.ppc.rpm httpd-devel-2.2.3-31.el5_4.4.ppc64.rpm httpd-manual-2.2.3-31.el5_4.4.ppc.rpm mod_ssl-2.2.3-31.el5_4.4.ppc.rpm s390x: httpd-2.2.3-31.el5_4.4.s390x.rpm httpd-debuginfo-2.2.3-31.el5_4.4.s390.rpm httpd-debuginfo-2.2.3-31.el5_4.4.s390x.rpm httpd-devel-2.2.3-31.el5_4.4.s390.rpm httpd-devel-2.2.3-31.el5_4.4.s390x.rpm httpd-manual-2.2.3-31.el5_4.4.s390x.rpm mod_ssl-2.2.3-31.el5_4.4.s390x.rpm x86_64: httpd-2.2.3-31.el5_4.4.x86_64.rpm httpd-debuginfo-2.2.3-31.el5_4.4.i386.rpm httpd-debuginfo-2.2.3-31.el5_4.4.x86_64.rpm httpd-devel-2.2.3-31.el5_4.4.i386.rpm httpd-devel-2.2.3-31.el5_4.4.x86_64.rpm httpd-manual-2.2.3-31.el5_4.4.x86_64.rpm mod_ssl-2.2.3-31.el5_4.4.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 7. References: 8. Contact: The Red Hat security contact is <>. More contact details at Copyright 2010 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFLq0O9XlSAg2UNWIIRArtjAJ9xSUFspvZd3sA9pHvQ9r5CfNfzmwCfQB3B T3PiK20o3d0V6m26ZqVSHiM= =p6kl -----END PGP SIGNATURE----- -- Enterprise-watch-list mailing list

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