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Improper Input Validation

CVE-2012-0021

Low
3.7/10

Summary

The "log_cookie" function in "mod_log_config.c" in the "mod_log_config" module in the Apache HTTP Server 2.2.17 through 2.2.21, when a threaded MPM is used, does not properly handle a "%{}C" format string, which allows remote attackers to cause a Denial of Service (daemon crash) via a cookie that lacks both a name and a value.

  • HIGH
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • LOW

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

Advisory Timeline

  • Published