X11 xterm program contains a locally exploitable buffer overflow

xfree86-xterm-xaw (963) The risk level is classified as HighHigh Risk

Description:

The xterm program in XFree86 and several other X11 distributions is vulnerable to a buffer overflow. A local attacker can overflow a buffer to gain root privileges.


Consequences:

Gain Privileges

Remedy:

This vulnerability has been observed in all releases of X11 from the Open Group up to R6.4 and future versions will be corrected. This vulnerability also affects XFree86 up to and including version 3.3.2. Users should obtain and apply patch 1 to remedy this vulnerability or, preferably, upgrade to the latest release available.

Users of affected IRIX systems should apply the appropriate patch for your system, as listed in CIAC Information Bulletin J-010.

IRIX 6.5 users should upgrade version of IRIX (6.5.1 or later) and other users should upgrade to one of the supported versions and then apply the appropriate patch for your system.

References:

Platforms Affected:

  • SGI IRIX 3.2
  • SGI IRIX 3.3
  • SGI IRIX 3.3.1
  • SGI IRIX 3.3.2
  • SGI IRIX 3.3.3
  • SGI IRIX 4.0
  • SGI IRIX 4.0.1
  • SGI IRIX 4.0.1t
  • SGI IRIX 4.0.2
  • SGI IRIX 4.0.3
  • SGI IRIX 4.0.4
  • SGI IRIX 4.0.4b
  • SGI IRIX 4.0.4t
  • SGI IRIX 4.0.5
  • SGI IRIX 4.0.5a
  • SGI IRIX 4.0.5b
  • SGI IRIX 4.0.5d
  • SGI IRIX 4.0.5e
  • SGI IRIX 4.0.5f
  • SGI IRIX 4.0.5g
  • SGI IRIX 4.0.5h
  • SGI IRIX 4.0.5_iop
  • SGI IRIX 4.0.5_ipr
  • SGI IRIX 5.0
  • SGI IRIX 5.0.1
  • SGI IRIX 5.1
  • SGI IRIX 5.1.1
  • SGI IRIX 5.2
  • SGI IRIX 5.3 XFS
  • SGI IRIX 5.3
  • SGI IRIX 6.0
  • SGI IRIX 6.0.1
  • SGI IRIX 6.1
  • SGI IRIX 6.2
  • SGI IRIX 6.3
  • SGI IRIX 6.4
  • SGI IRIX 6.5
  • X.Org X11

Reported:

Apr 27, 1998

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