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Category:   Application (Game)  >   Typespeed Vendors:   Ollikainen, Jani
Typespeed Format String Flaw in HOME Variable Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1013218
SecurityTracker URL:  http://securitytracker.com/id/1013218
CVE Reference:   CVE-2005-0105   (Links to External Site)
Date:  Feb 16 2005
Impact:   Execution of arbitrary code via local system, User access via local system

Version(s): 0.4.4 and prior versions
Description:   A format string vulnerability was reported in typespeed. A local user can gain elevated privileges on the target system.

A sprintf() call is made in 'file.c' without the appropriate format string specifier when processing data from the HOME environment variable. A local user can set the HOME environment variable to a specially crafted value to execute arbitrary code with 'games' group privileges.

Ulf Harnhammar from the Debian Security Audit Project discovered this flaw.

Impact:   A local user can execute arbitrary code with 'games' group privileges.
Solution:   No solution was available at the time of this entry.
Vendor URL:  ls.purkki.org/typespeed/ (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Feb 16 2005 (Debian Issues Fix) Typespeed Format String Flaw in HOME Variable Lets Local Users Gain Elevated Privileges
Debian has released a fix.



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