[USN-791-3] Smarty vulnerability

Kees Cook kees at ubuntu.com
Wed Jun 24 20:02:12 UTC 2009

Ubuntu Security Notice USN-791-3              June 24, 2009
smarty vulnerability

A security issue affects the following Ubuntu releases:

Ubuntu 9.04

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

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

Ubuntu 9.04:
  smarty                          2.6.22-1ubuntu1.1

In general, a standard system upgrade is sufficient to effect the
necessary changes.

Details follow:

It was discovered that Smarty did not correctly filter certain math
inputs.  A remote attacker using Smarty via a web service could exploit
this to execute subsets of shell commands as the web server user.

Updated packages for Ubuntu 9.04:

  Source archives:

      Size/MD5:     5384 cddf82ac12a8bf55573d7382cbbb3609
      Size/MD5:     1220 b96705a4b32e7e7e0965a71986f908b8
      Size/MD5:   158529 a6e1d94453104c42374901da5139744c

  Architecture independent packages:

      Size/MD5:   204018 7ed9dc3ba0843ff6b2acf57f94ee31c3

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