Tuesday, February 20, 2007

Vulnerability in Snort DCE/RPC Preprocessor

I just found out about the vulnerability in Snort DCE/RPC Preprocessor. This preprocessor is vulnerable to a stack-based buffer overflow that could potentially allow attackers to execute code with the same privileges as the Snort binary.

It affected the followings :

  • Snort 2.6.1,, and
  • Snort 2.7.0 beta 1
Recommended Actions:
  • Open-source Snort 2.6.1.x users are advised to upgrade to Snort (or later) immediately.
  • Open-source Snort 2.7 beta users are advised to mitigate this issue by disabling the DCE/RPC preprocessor in snort.conf file. This issue will be resolved in Snort 2.7 beta 2.

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