patch: Execute arbitrary code/commands - Remote with user interaction

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1165
                           patch security update
                               17 April 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           patch
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1000156  

Reference:         ESB-2018.1114

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2018/04/msg00013.html

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Package        : patch
Version        : 2.6.1-3+deb7u1
CVE ID         : CVE-2018-1000156
Debian Bug     : #894993

It was discovered that there was an input validation vulnerability in the
patch(1) utility where an ed(1) script embedded in a regular input file
could result in arbitrary code execution. This was reported by Rachel
Kroll [0] et al.

For Debian 7 "Wheezy", this issue has been fixed in patch version
2.6.1-3+deb7u1.

We recommend that you upgrade your patch packages.

  [0] https://rachelbythebay.com/w/2018/04/05/bangpatch/


Regards,

- - -- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby@debian.org / chris-lamb.co.uk
       `-

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