- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 201806-07
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: Normal
    Title: Transmission: Remote code execution
     Date: June 20, 2018
     Bugs: #644406
       ID: 201806-07

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=======
A vulnerability in Transmission could allow a remote attacker to
execute arbitrary RPC commands.

Background
=========
Transmission is a cross-platform BitTorrent client.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-p2p/transmission          < 2.93                     >= 2.93 

Description
==========
A vulnerability was discovered in how Transmission handles access
control through the X-Transmission-Session-Id.

Impact
=====
A remote attacker could execute arbitrary RFC commands or consequently
conduct a DNS rebinding attack.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Transmission users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-p2p/transmission-"

References
=========
[ 1 ] CVE-2018-5702
      https://nvd.nist.gov/vuln/detail/CVE-2018-5702

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201806-07

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2018 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/