FTE Text Editor vfte buffer overflow

ftetexteditor-vfte-bo (15726) The risk level is classified as HighHigh Risk

Description:

FTE Text Editor is vulnerable to multiple buffer overflows, caused by improper bounds checking of requests. By sending an overly long request with certain command line arguments to the vfte utility, a remote attacker can overflow a buffer and cause a denial of service or possibly execute arbitrary code on the server with setuid or setgid privileges.


Consequences:

Gain Access

Remedy:

For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest FTE Text Editor package (fte_0.49.13-15woody1 or later), as listed in DSA-472-1. See References.

References:

  • CIAC Information Bulletin O-107: vfte Buffer Overflow Vulnerabilities.
  • BID-10041: FTE Multiple Local Unspecified Buffer Overflow Vulnerabilities
  • CVE-2003-0648: Multiple buffer overflows in vfte, based on FTE, before 0.50, allow local users to execute arbitrary code.
  • DSA-472: fte -- several vulnerabilities
  • OSVDB ID: 4938: FTE Text Editor vfte Overflow
  • SA11290: FTE Text Editor Multiple Buffer Overflow Vulnerabilities
  • SECTRACK ID: 1009655: FTE Command Line and Environment Variable Buffer Overflows May Let Local Users Gain Elevated Privileges
  • SECTRACK ID: 1009656: (Debian Issues Fix) FTE Command Line and Environment Variable Buffer Overflows May Let Local Users Gain Elevated Privileges
  • US-CERT VU#354838: FTE fails to properly validate command line arguments
  • US-CERT VU#900964: FTE fails to properly validate environment variables

Platforms Affected:

  • Debian Debian Linux 3.0
  • FTE Text Editor FTE Text Editor

Reported:

Apr 05, 2004

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