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Debian Security Advisory DSA-3932-1                   security@debian.org
https://www.debian.org/security/                       Sebastien Delafond
August 10, 2017                       https://www.debian.org/security/faq
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Package        : subversion
CVE ID         : CVE-2016-8734 CVE-2017-9800

Several problems were discovered in Subversion, a centralised version
control system.

CVE-2016-8734 (jessie only)

    Subversion's mod_dontdothat server module and Subversion clients
    using http(s):// were vulnerable to a denial-of-service attack
    caused by exponential XML entity expansion.

CVE-2017-9800

    Joern Schneeweisz discovered that Subversion did not correctly
    handle maliciously constructed svn+ssh:// URLs. This allowed an
    attacker to run an arbitrary shell command, for instance via
    svn:externals properties or when using 'svnsync sync'.

For the oldstable distribution (jessie), these problems have been fixed
in version 1.8.10-6+deb8u5.

For the stable distribution (stretch), these problems have been fixed in
version 1.9.5-1+deb9u1.

We recommend that you upgrade your subversion 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: debian-security-announce@lists.debian.org
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