Debian: DSA-3325-1: apache2 security update

    Date01 Aug 2015
    CategoryDebian
    66
    Posted ByLinuxSecurity Advisories
    Several vulnerabilities have been found in the Apache HTTPD server. CVE-2015-3183
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3325-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                           Stefan Fritsch
    August 01, 2015                       https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : apache2
    CVE ID         : CVE-2015-3183 CVE-2015-3185
    
    Several vulnerabilities have been found in the Apache HTTPD server.
    
    CVE-2015-3183
    
        An HTTP request smuggling attack was possible due to a bug in
        parsing of chunked requests. A malicious client could force the
        server to misinterpret the request length, allowing cache poisoning
        or credential hijacking if an intermediary proxy is in use.
    
    CVE-2015-3185
    
        A design error in the "ap_some_auth_required" function renders the
        API unusuable in apache2 2.4.x. This could lead to modules using
        this API to allow access when they should otherwise not do so.
        The fix backports the new "ap_some_authn_required" API from 2.4.16.
        This issue does not affect the oldstable distribution (wheezy).
    
    
    In addition, the updated package for the oldstable distribution (wheezy)
    removes a limitation of the Diffie-Hellman (DH) parameters to 1024 bits.
    This limitation may potentially allow an attacker with very large
    computing resources, like a nation-state, to break DH key exchange by
    precomputation. The updated apache2 package also allows to configure
    custom DH parameters. More information is contained in the
    changelog.Debian.gz file.
    These improvements were already present in the stable, testing, and
    unstable distributions.
    
    
    For the oldstable distribution (wheezy), these problems have been fixed
    in version 2.2.22-13+deb7u5.
    
    For the stable distribution (jessie), these problems have been fixed in
    version 2.4.10-10+deb8u1.
    
    For the testing distribution (stretch), these problems will be fixed
    soon.
    
    For the unstable distribution (sid), these problems will be fixed soon.
    
    We recommend that you upgrade your apache2 packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently 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.
    
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