Ubuntu 1893-1: Subversion vulnerabilities

    Date27 Jun 2013
    CategoryUbuntu
    33
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Subversion.
    ==========================================================================
    Ubuntu Security Notice USN-1893-1
    June 27, 2013
    
    subversion vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 13.04
    - Ubuntu 12.10
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Several security issues were fixed in Subversion.
    
    Software Description:
    - subversion: Advanced version control system
    
    Details:
    
    Alexander Klink discovered that the Subversion mod_dav_svn module for
    Apache did not properly handle a large number of properties. A remote
    authenticated attacker could use this flaw to cause memory consumption,
    leading to a denial of service. (CVE-2013-1845)
    
    Ben Reser discovered that the Subversion mod_dav_svn module for
    Apache did not properly handle certain LOCKs. A remote authenticated
    attacker could use this flaw to cause Subversion to crash, leading to a
    denial of service. (CVE-2013-1846)
    
    Philip Martin and Ben Reser discovered that the Subversion mod_dav_svn
    module for Apache did not properly handle certain LOCKs. A remote
    attacker could use this flaw to cause Subversion to crash, leading to a
    denial of service. (CVE-2013-1847)
    
    It was discovered that the Subversion mod_dav_svn module for Apache did not
    properly handle certain PROPFIND requests. A remote attacker could use this
    flaw to cause Subversion to crash, leading to a denial of service.
    (CVE-2013-1849)
    
    Greg McMullin, Stefan Fuhrmann, Philip Martin, and Ben Reser discovered
    that the Subversion mod_dav_svn module for Apache did not properly handle
    certain log REPORT requests. A remote attacker could use this flaw to cause
    Subversion to crash, leading to a denial of service. This issue only
    affected Ubuntu 12.10 and Ubuntu 13.04. (CVE-2013-1884)
    
    Stefan Sperling discovered that Subversion incorrectly handled newline
    characters in filenames. A remote authenticated attacker could use this
    flaw to corrupt FSFS repositories. (CVE-2013-1968)
    
    Boris Lytochkin discovered that Subversion incorrectly handled TCP
    connections that were closed early. A remote attacker could use this flaw
    to cause Subversion to crash, leading to a denial of service.
    (CVE-2013-2112)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 13.04:
      libapache2-svn                  1.7.5-1ubuntu3.1
      libsvn1                         1.7.5-1ubuntu3.1
    
    Ubuntu 12.10:
      libapache2-svn                  1.7.5-1ubuntu2.1
      libsvn1                         1.7.5-1ubuntu2.1
    
    Ubuntu 12.04 LTS:
      libapache2-svn                  1.6.17dfsg-3ubuntu3.3
      libsvn1                         1.6.17dfsg-3ubuntu3.3
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1893-1
      CVE-2013-1845, CVE-2013-1846, CVE-2013-1847, CVE-2013-1849,
      CVE-2013-1884, CVE-2013-1968, CVE-2013-2112
    
    Package Information:
      https://launchpad.net/ubuntu/+source/subversion/1.7.5-1ubuntu3.1
      https://launchpad.net/ubuntu/+source/subversion/1.7.5-1ubuntu2.1
      https://launchpad.net/ubuntu/+source/subversion/1.6.17dfsg-3ubuntu3.3
    
    
    
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