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Info |
Last Modified |
| 10 months ago |
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Description |
A local overflow exists in XFree86. The libX11.so library fails to do a secure checking with the LD_PRELOAD environment variable while running a SUID executable. As a result an attacker can use his own library to poison a program using dynamically loadable libraries. By setting LD_PRELOAD, an attacker can execute arbitrary code and gain priviledges resulting in a loss of integrity.
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Classification |
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Rumored / Private
Disclosure:
OSVDB Verified
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Solution |
Upgrade to version 4.2.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
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Products |
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X11R6
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4.2.0 |
4.1.0 |
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Credit |
Unknown or Incomplete
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BlogsProvided by Technorati
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None found at this time
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