Executive Summary

Informations
Name CVE-2021-44758 First vendor Publication 2022-12-26
Vendor Cve Last vendor Modification 2023-10-08

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44758

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

Source Url
CONFIRM https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f...
MISC https://github.com/heimdal/heimdal/security/advisories/GHSA-69h9-669w-88xv
https://security.gentoo.org/glsa/202310-06

Alert History

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Date Informations
2023-10-08 13:27:49
  • Multiple Updates
2023-01-05 09:27:15
  • Multiple Updates
2022-12-27 17:27:16
  • Multiple Updates
2022-12-26 09:27:18
  • First insertion