11225 : SVGAlib zgv HOME Environment Variable Local Overflow
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Info

Last Modified
7 months ago

Percent Complete
100%

Disclosure
Jun 27, 1997

Discovery
Unknown

Dates

Exploit
Jun 27, 1997

Solution
Unknown

Description

 A local overflow exists in SVGAlib/zgv. The product fails to verify the length of the HOME environment variable, resulting in a buffer overflow. By setting this variable to an overly long value, arbitrary code can be executed as root, resulting in a loss of availability.

Classification

 Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

 Upgrade to SVGAlib version 1.2.11 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products
SVGAlib.org
Watch-list
SVGAlib
Watch-list
 1.2.10
zgb
Watch-list
 2.7

References

Credit
  • KSR[T] - ksrtBrand New Doo Doodec.net -

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