protocol.c in the Apache HTTP Server 2.2.x through 2.2.21 does not properly restrict header information during construction of Bad Request (aka 400) error documents, which allows remote attackers to obtain the values of HTTPOnly cookies via vectors involving a (1) long or (2) malformed header in conjunction with crafted web script.
CVSS Details
- CVSS 3.1 Base Score: 5.4
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade apache2 | Aug 30, 2017 | Oct 5, 2011 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Apr 12, 2012 | Jan 28, 2012 |
| Apple Osx Apache | — | Apply OS X security update 2012-004Upgrade macOS to the latest version | Sep 27, 2012 | Jan 27, 2012 |
| Apple Osx Note | — | Apply OS X security update 2012-004Upgrade macOS to the latest version | Aug 28, 2015 | Jan 27, 2012 |
| Centos_linux | — | Upgrade httpd-manualUpgrade httpd-develUpgrade httpdUpgrade httpd-toolsUpgrade mod_ssl | Dec 1, 2016 | Jan 27, 2012 |
| Debian | — | Upgrade apache2 | Jul 30, 2024 | Jan 28, 2012 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Aug 7, 2015 |
| Freebsd | — | Upgrade apache | Dec 10, 2025 | Jan 31, 2012 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Oct 30, 2017 | Jan 27, 2012 |
| Hpsmh | — | Upgrade to the latest version of HP System Management Homepage | Oct 13, 2015 | Jan 27, 2012 |
| Hpux | — | Update hpuxws22APCH32.APACHE2 to the latest versionUpdate hpuxws22APCH32.MOD_JK2 to the latest versionUpdate hpuxws22APCH32.PHP to the latest versionUpdate hpuxwsAPACHE.PHP to the latest versionUpdate hpuxws22APCH32.WEBPROXY to the latest versionUpdate hpuxws22APCH32.MOD_PERL to the latest versionUpdate hpuxwsAPACHE.WEBPROXY to the latest versionUpdate hpuxws22APCH32.AUTH_LDAP2 to the latest versionUpdate hpuxwsAPACHE.AUTH_LDAP2 to the latest versionUpdate hpuxws22APCH32.AUTH_LDAP to the latest versionUpdate hpuxws22APCH32.PHP2 to the latest versionUpdate hpuxws22APCH32.WEBPROXY2 to the latest versionUpdate hpuxwsAPACHE.MOD_JK2 to the latest versionUpdate hpuxwsAPACHE.MOD_PERL to the latest versionUpdate hpuxwsAPACHE.MOD_JK to the latest versionUpdate hpuxwsAPACHE.MOD_PERL2 to the latest versionUpdate hpuxws22APCH32.APACHE to the latest versionUpdate hpuxws22APCH32.MOD_JK to the latest versionUpdate hpuxwsAPACHE.PHP2 to the latest versionUpdate hpuxws22APCH32.MOD_PERL2 to the latest versionUpdate hpuxwsAPACHE.APACHE to the latest versionUpdate hpuxwsAPACHE.APACHE2 to the latest versionUpdate hpuxwsAPACHE.AUTH_LDAP to the latest version | Aug 11, 2017 | Jan 27, 2012 |
| Ibm Http_server | — | Apply IBM HTTP Server version 8.0.0.3 or later | Jun 22, 2018 | Jan 27, 2012 |
| Oracle Solaris | — | Upgrade web/server/apache-22 to version 2.2.22-0.175.0.6.0.1.0 on Solaris 11.0Upgrade web/server/apache-22/documentation to version 2.2.22-0.175.0.6.0.1.0 on Solaris 11.0 | May 29, 2017 | Jan 27, 2012 |
| Oracle_linux | — | Upgrade mod_sslUpgrade httpd-manualUpgrade httpd-develUpgrade httpdUpgrade httpd-tools | Oct 16, 2024 | Jan 28, 2012 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jan 23, 2012 |
| Suse | — | Upgrade apache2-example-pagesUpgrade apache2-itk-debuginfoUpgrade apache2-debuginfoUpgrade apache2-docUpgrade apache2-itkUpgrade apache2-event-debuginfoUpgrade apache2-eventUpgrade apache2-utilsUpgrade apache2-workerUpgrade apache2-worker-debuginfoUpgrade apache2-prefork-debuginfoUpgrade apache2-debugsourceUpgrade apache2-utils-debuginfoUpgrade apache2-preforkUpgrade apache2-develUpgrade apache2 | Feb 17, 2015 | Jan 27, 2012 |
| Ubuntu | — | Upgrade apache2.2-common | Nov 8, 2024 | Jan 28, 2012 |
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