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FreeBSD: VID-6E80BD9B-7E9B-11E7-ABFE-90E2BAA3BAFC: subversion -- Arbitrary code execution vulnerability

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FreeBSD: VID-6E80BD9B-7E9B-11E7-ABFE-90E2BAA3BAFC: subversion -- Arbitrary code execution vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/10/2017
Created
07/25/2018
Added
08/11/2017
Modified
09/19/2017

Description

subversion team reports:

A Subversion client sometimes connects to URLs provided by the repository.

This happens in two primary cases: during 'checkout', 'export', 'update', and

'switch', when the tree being downloaded contains svn:externals properties;

and when using 'svnsync sync' with one URL argument.

A maliciously constructed svn+ssh:// URL would cause Subversion clients 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://.

An exploit has been tested.

Solution(s)

  • freebsd-upgrade-package-subversion
  • freebsd-upgrade-package-subversion-static
  • freebsd-upgrade-package-subversion18

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