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Out-of-bounds Read

CVE-2023-25567

High
7.5/10

Summary

GSS-NTLMSSP, a mechglue plugin for the GSSAPI library that implements NTLM authentication, has an Out-of-Bounds Read when decoding target information in versions prior to 1.2.0. The length of the "av_pair" is not checked properly for two of the elements which can trigger an Out-of-Bound Read. It can be triggered via the main "gss_accept_sec_context" entry point and could cause a Denial-of-Service if the memory is unmapped.

  • 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