Debian: DSA-3932-1 Critical: Subversion DoS And Command Execution Risk
debian
August 10, 2017
Several problems were discovered in Subversion, a centralised version control system
Summary
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/
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Package: subversion
CVE ID: CVE-2016-8734 CVE-2017-9800
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