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Debian Jessie DSA-3796-1 Moderate: Apache2 Denial Of Service

Several vulnerabilities were discovered in the Apache2 HTTP server. CVE-2016-0736 . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-3796-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Sebastien Delafond February 26, 2017 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : apache2 CVE ID : CVE-2016-0736 CVE-2016-2161 CVE-2016-8743 Several vulnerabilities were discovered in the Apache2 HTTP server. CVE-2016-0736 RedTeam Pentesting GmbH discovered that mod_session_crypto was vulnerable to padding oracle attacks, which could allow an attacker to guess the session cookie. CVE-2016-2161 Maksim Malyutin discovered that malicious input to mod_auth_digest could cause the server to crash, causing a denial of service. CVE-2016-8743 David Dennerline, of IBM Security's X-Force Researchers, and Régis Leroy discovered problems in the way Apache handled a broad pattern of unusual whitespace patterns in HTTP requests. In some configurations, this could lead to response splitting or cache pollution vulnerabilities. To fix these issues, this update makes Apache httpd be more strict in what HTTP requests it accepts. If this causes problems with non-conforming clients, some checks can be relaxed by adding the new directive "HttpProtocolOptions unsafe" to the configuration. This update also fixes the issue where mod_reqtimeout was not enabled by default on new installations. For the stable distribution (jessie), these problems have been fixed in version 2.4.10-10+deb8u8. For the testing (stretch) and unstable (sid) distributions, these problems have been fixed in version 2.4.25-1. We recommend that you upgrade your apache2 packages. Further information about Debian Security Advisories, how to apply these updates to your system andfrequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Enhance your server's security by updating Apache2 packages to address vulnerabilities highlighted in Debian's DSA-3796-1 advisory.. Apache2 Security Update, Debian Advisory, Session Cookie Attack, DoS Patch. . LinuxSecurity.com Team

Feb 26, 2017 Debian