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A maliciously constructed svn+ssh:// URL would cause Subversion clients before 1.8.19, 1.9.x before 1.9.7, and 1.10.0.x through 1.10.0-alpha3 to run an arbitrary shell command. Such a URL could be generated by a malicious server, by a malicious user committing to a honest server(to attack another user of that server's repositories), or by a proxy server. The vulnerability affects all clients, including those that use file://, http://, and plain (untunneled) svn://. Backport patch from: http://svn.apache.org/viewvc?view=revision&sortby=rev&revision=1804691 Reference: http://subversion.apache.org/security/CVE-2017-9800-advisory.txt (From OE-Core rev: 6e1f8001a0f3c26cce9c692d25987a3c47ff2f74) Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>