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Debian Security Advisory DSA 3932-1 (subversion - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
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-2017-9800Joern 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 .
Affected Software
Affected Software
subversion on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
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.