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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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