Vulnerabilities > CVE-2021-44758 - NULL Pointer Dereference vulnerability in Heimdal Project Heimdal

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

heimdal-project

CWE-476

NVD

Published: 2022-12-26

Updated: 2024-11-21

Summary

Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.

Vulnerable Configurations

Part	Description	Count
Application	Heimdal_Project Heimdal Project Heimdal 0.0J Heimdal Project Heimdal 0.0K Heimdal Project Heimdal 0.0L Heimdal Project Heimdal 0.0M Heimdal Project Heimdal 0.0N Heimdal Project Heimdal 0.0O Heimdal Project Heimdal 0.0P Heimdal Project Heimdal 0.0Q Heimdal Project Heimdal 0.0R Heimdal Project Heimdal 0.0S Heimdal Project Heimdal 0.0T Heimdal Project Heimdal 0.0U Heimdal Project Heimdal 0.1A Heimdal Project Heimdal 0.1B Heimdal Project Heimdal 0.1C Heimdal Project Heimdal 0.1D Heimdal Project Heimdal 0.1E Heimdal Project Heimdal 0.1F Heimdal Project Heimdal 0.1G Heimdal Project Heimdal 0.1H Heimdal Project Heimdal 0.1I Heimdal Project Heimdal 0.1J Heimdal Project Heimdal 0.1K Heimdal Project Heimdal 0.1L Heimdal Project Heimdal 0.1M Heimdal Project Heimdal 0.2A Heimdal Project Heimdal 0.2B Heimdal Project Heimdal 0.2C Heimdal Project Heimdal 0.2D Heimdal Project Heimdal 0.2E Heimdal Project Heimdal 0.2F Heimdal Project Heimdal 0.2G Heimdal Project Heimdal 0.2H Heimdal Project Heimdal 0.2I Heimdal Project Heimdal 0.2J Heimdal Project Heimdal 0.2K Heimdal Project Heimdal 0.2L Heimdal Project Heimdal 0.2M Heimdal Project Heimdal 0.2N Heimdal Project Heimdal 0.2O Heimdal Project Heimdal 0.2P Heimdal Project Heimdal 0.2Q Heimdal Project Heimdal 0.2R Heimdal Project Heimdal 0.2S Heimdal Project Heimdal 0.2T Heimdal Project Heimdal 0.3A Heimdal Project Heimdal 0.3B Heimdal Project Heimdal 0.3C Heimdal Project Heimdal 0.3D Heimdal Project Heimdal 0.3E Heimdal Project Heimdal 0.3F Heimdal Project Heimdal 0.4.D Heimdal Project Heimdal 0.4.E Heimdal Project Heimdal 0.4.F Heimdal Project Heimdal 0.4A Heimdal Project Heimdal 0.4B Heimdal Project Heimdal 0.4C Heimdal Project Heimdal 0.5 Heimdal Project Heimdal 0.5.1 Heimdal Project Heimdal 0.5.2 Heimdal Project Heimdal 0.5.3 Heimdal Project Heimdal 0.6 Heimdal Project Heimdal 0.6.1 Heimdal Project Heimdal 0.6.2 Heimdal Project Heimdal 0.6.3 Heimdal Project Heimdal 0.6.4 Heimdal Project Heimdal 0.6.5 Heimdal Project Heimdal 0.6.6 Heimdal Project Heimdal 0.7 Heimdal Project Heimdal 0.7.1 Heimdal Project Heimdal 0.7.2 Heimdal Project Heimdal 0.8 Heimdal Project Heimdal 0.8.1 Heimdal Project Heimdal 0.9 Heimdal Project Heimdal 1.0.0 Heimdal Project Heimdal 1.0.1 Heimdal Project Heimdal 1.0.2 Heimdal Project Heimdal 1.1.0 Heimdal Project Heimdal 1.2.0 Heimdal Project Heimdal 1.2.1 Heimdal Project Heimdal 1.3.0 Heimdal Project Heimdal 1.3.1 Heimdal Project Heimdal 1.3.2 Heimdal Project Heimdal 1.3.3 Heimdal Project Heimdal 1.4.0 Heimdal Project Heimdal 1.4.1 Heimdal Project Heimdal 1.5.0 Heimdal Project Heimdal 1.5.1 Heimdal Project Heimdal 1.5.2 Heimdal Project Heimdal 1.5.3 Heimdal Project Heimdal 1.6.0 Heimdal Project Heimdal 7.0.1 Heimdal Project Heimdal 7.0.2 Heimdal Project Heimdal 7.0.3 Heimdal Project Heimdal 7.1.0 Heimdal Project Heimdal 7.2.0 Heimdal Project Heimdal 7.3.0 Heimdal Project Heimdal 7.4.0 Heimdal Project Heimdal 7.5.0 Heimdal Project Heimdal 7.6.0 Heimdal Project Heimdal 7.7.0	125

Common Weakness Enumeration (CWE)

CWE-476 - NULL Pointer Dereference

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References