ESB-2017.2494 - [UNIX/Linux][Ubuntu] ocaml: Execute arbitrary code/commands - Existing account 2017-10-04

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

                               ESB-2017.2494
                            OCaml vulnerability
                              4 October 2017

===========================================================================

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

Product:           ocaml
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Denial of Service               -- Existing Account
                   Access Confidential Data        -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-8869  

Reference:         ESB-2017.0745
                   ESB-2017.0744
                   ESB-2016.2594
                   ESB-2016.1590

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3437-1

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==========================================================================
Ubuntu Security Notice USN-3437-1
October 03, 2017

ocaml vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- - Ubuntu 14.04 LTS

Summary:

OCaml applications could be made to crash, expose sensitive information, or
run programs.

Software Description:
- - ocaml: ML language implementation with a class-based object system

Details:

Radek Micek discovered that OCaml incorrectly handled sign extensions. A
remote attacker could use this issue to cause applications using OCaml to
crash, to possibly obtain sensitive information, or to possibly execute
arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
  ocaml                           4.01.0-3ubuntu3.1

In general, a standard system update will make all the necessary changes.

References:
  https://www.ubuntu.com/usn/usn-3437-1
  CVE-2015-8869

Package Information:
  https://launchpad.net/ubuntu/+source/ocaml/4.01.0-3ubuntu3.1

- --------------------------END INCLUDED TEXT--------------------

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