ArchLinux: 201908-10: subversion: denial of service

    Date24 Aug 2019
    Posted ByLinuxSecurity Advisories
    The package subversion before version 1.12.2-1 is vulnerable to denial of service.
    Arch Linux Security Advisory ASA-201908-10
    Severity: High
    Date    : 2019-08-16
    CVE-ID  : CVE-2018-11782 CVE-2019-0203
    Package : subversion
    Type    : denial of service
    Remote  : Yes
    Link    :
    The package subversion before version 1.12.2-1 is vulnerable to denial
    of service.
    Upgrade to 1.12.2-1.
    # pacman -Syu "subversion>=1.12.2-1"
    The problems have been fixed upstream in version 1.12.2.
    - CVE-2018-11782 (denial of service)
    Subversion svn:// connections, including svn+ssh:// and
    svn+://, use a custom network protocol [1] with Lisp-like
    syntax. The code implementing the protocol has dedicated codepaths for
    serialization of revision numbers into protocol integers.  A particular
    client query could cause the server to attempt to reply with a revision
    number whose value is the invalid revision number constant
    `SVN_INVALID_REVNUM`, thereby triggering an assertion failure in the
    the serialization layer.
    - CVE-2019-0203 (denial of service)
    A null-pointer-dereference has been found in svnserve that results in a
    remote unauthenticated Denial-of-Service in some server configurations.
    The vulnerability can be triggered by an unauthenticated user if the
    server is configured with anonymous access enabled.
    A remote attacker is able to cause a denial of service by sending a
    special packet.

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