ALAS-2016-709


Amazon Linux AMI Security Advisory: ALAS-2016-709
Advisory Release Date: 2016-06-03 19:46 Pacific
Severity: Medium

Issue Overview:

The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string. (CVE-2016-2167 )

The req_check_access function in the mod_authz_svn module in the httpd server in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) via a crafted header in a (1) MOVE or (2) COPY request, involving an authorization check. (CVE-2016-2168 )


Affected Packages:

subversion


Issue Correction:
Run yum update subversion to update your system.

New Packages:
i686:
    subversion-perl-1.9.4-2.54.amzn1.i686
    subversion-1.9.4-2.54.amzn1.i686
    subversion-javahl-1.9.4-2.54.amzn1.i686
    subversion-devel-1.9.4-2.54.amzn1.i686
    subversion-python26-1.9.4-2.54.amzn1.i686
    subversion-tools-1.9.4-2.54.amzn1.i686
    subversion-ruby-1.9.4-2.54.amzn1.i686
    subversion-debuginfo-1.9.4-2.54.amzn1.i686
    mod24_dav_svn-1.9.4-2.54.amzn1.i686
    subversion-python27-1.9.4-2.54.amzn1.i686
    subversion-libs-1.9.4-2.54.amzn1.i686

src:
    subversion-1.9.4-2.54.amzn1.src

x86_64:
    subversion-python27-1.9.4-2.54.amzn1.x86_64
    subversion-ruby-1.9.4-2.54.amzn1.x86_64
    subversion-tools-1.9.4-2.54.amzn1.x86_64
    subversion-debuginfo-1.9.4-2.54.amzn1.x86_64
    subversion-1.9.4-2.54.amzn1.x86_64
    subversion-perl-1.9.4-2.54.amzn1.x86_64
    subversion-javahl-1.9.4-2.54.amzn1.x86_64
    subversion-devel-1.9.4-2.54.amzn1.x86_64
    subversion-libs-1.9.4-2.54.amzn1.x86_64
    subversion-python26-1.9.4-2.54.amzn1.x86_64
    mod24_dav_svn-1.9.4-2.54.amzn1.x86_64