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Out-of-bounds Read

CVE-2017-7668

High
7.5/10

Summary

The HTTP strict parsing changes added in Apache httpd versions 2.2.32, and 2.4.24 through 2.4.25 introduced a bug in token list parsing, which allows "ap_find_token()" to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or force "ap_find_token()" to return an incorrect value.

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

CWE-125 - Out-of-Bounds Read

Out-of-bounds read is a vulnerability that allows access to memory beyond the authorized accessible location. Such a vulnerability compromises the confidentiality of the trusted environment in the application and enables an attacker to launch further attacks by leveraging the exposed information.

References

Advisory Timeline

  • Published