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AIX setsenv Buffer Overflow Vulnerability

Risk

Medium

Date Discovered

December 1, 2000

Description

AIX is a version of the UNIX Operating System distributed by IBM. A problem exists that could allow a user elevated priviledges. The problem occurs in the setsenv binary. It has been reported that a buffer overflow exists in this binary which could allow a user to overwrite variables on the stack, including the return address. This makes it possible for a malicious user to execute arbitrary code, and potentially attain a UID of 0.

Technologies Affected

  • IBM AIX 4.2.0
  • IBM AIX 4.2.1
  • IBM AIX 4.3.0
  • IBM AIX 4.3.1
  • IBM AIX 4.3.2
  • IBM AIX 4.3.3
Upgrades available:

References

Credits

This vulnerability was announced to Bugtraq by Esa Etelavuori on December 1, 2000.
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