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Ubuntu alert USN-1368-1 (apache2)
========================================================================== Ubuntu Security Notice USN-1368-1 February 16, 2012 apache2 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.10 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS Summary: Several security issues were fixed in the Apache HTTP Server. Software Description: - apache2: Apache HTTP server Details: It was discovered that the Apache HTTP Server incorrectly handled the SetEnvIf .htaccess file directive. An attacker having write access to a .htaccess file may exploit this to possibly execute arbitrary code. (CVE-2011-3607) Prutha Parikh discovered that the mod_proxy module did not properly interact with the RewriteRule and ProxyPassMatch pattern matches in the configuration of a reverse proxy. This could allow remote attackers to contact internal webservers behind the proxy that were not intended for external exposure. (CVE-2011-4317) Rainer Canavan discovered that the mod_log_config module incorrectly handled a certain format string when used with a threaded MPM. A remote attacker could exploit this to cause a denial of service via a specially- crafted cookie. This issue only affected Ubuntu 11.04 and 11.10. (CVE-2012-0021) It was discovered that the Apache HTTP Server incorrectly handled certain type fields within a scoreboard shared memory segment. A local attacker could exploit this to to cause a denial of service. (CVE-2012-0031) Norman Hippert discovered that the Apache HTTP Server incorrecly handled header information when returning a Bad Request (400) error page. A remote attacker could exploit this to obtain the values of certain HTTPOnly cookies. (CVE-2012-0053) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 11.10: apache2.2-common 2.2.20-1ubuntu1.2 Ubuntu 11.04: apache2.2-common 2.2.17-1ubuntu1.5 Ubuntu 10.10: apache2.2-common 2.2.16-1ubuntu3.5 Ubuntu 10.04 LTS: apache2.2-common 2.2.14-5ubuntu8.8 Ubuntu 8.04 LTS: apache2.2-common 2.2.8-1ubuntu0.23 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1368-1 CVE-2011-3607, CVE-2011-4317, CVE-2012-0021, CVE-2012-0031, CVE-2012-0053 Package Information: https://launchpad.net/ubuntu/+source/apache2/2.2.20-1ubun... https://launchpad.net/ubuntu/+source/apache2/2.2.17-1ubun... https://launchpad.net/ubuntu/+source/apache2/2.2.16-1ubun... https://launchpad.net/ubuntu/+source/apache2/2.2.14-5ubun... https://launchpad.net/ubuntu/+source/apache2/2.2.8-1ubunt... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security... (Log in to post comments)
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