Apache HTTP Server shared memory scorecard overwrite

apache-scorecard-memory-overwrite (10280) The risk level is classified as LowLow Risk


Apache HTTP Server is vulnerable to a denial of service attack, caused by a vulnerability in the shared memory scorecard. A local attacker with privileges of the Apache UID could send a SIGUSR1 signal to any process as root to cause a denial of service against the system.


Denial of Service


Upgrade to the latest version of Apache HTTP Server (1.3.27 or later), available from the Apache Web site. See References.

For other distributions:
Apply the appropriate update for your system. See References.


Platforms Affected:

  • Apache HTTP Server 1.3.19
  • Apache HTTP Server 1.3.20
  • Apache HTTP Server 1.3.22
  • Apache HTTP Server 1.3.23
  • Apache HTTP Server 1.3.24
  • Apache HTTP Server 1.3.25
  • Apache HTTP Server 1.3.26
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • RedHat Stronghold


Oct 03, 2002

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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