5585 : IBM AIX libi18n Library Long LANG Variable Overflow
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Info

Last Modified
about 1 year ago

Percent Complete
100%

Disclosure
Jun 28, 2001

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Keywords

 MSS-OAR-E01-2001:271.1

Description

 A local buffer overflow exists in IBM AIX library libi18n. The library function _GETLAYOUTINITFUNC fails to validate the length of the LANG environment variable resulting in a buffer overflow. With a specially crafted request, an attacker can gain root privileges resulting in a loss of confidentiality and/or integrity.

Classification

 Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Confidentiality, Loss of Integrity
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

 Upgrade AIX using the APAR numbers AIX 5.1:  IY21309 and AIX 4.3:  IY20867 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products
International Business Machines Corporation
Watch-list
AIX
Watch-list
 4.3
5.1

References

Credit
  • Troy Bollinger - IBM MSSD

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