CRITICAL · 9.8

CVE-2022-44640

Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).

Vulnerability Description

Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Heimdal ProjectHeimdal< 7.7.1
SambaSamba>= 4.15.0, < 4.15.3

Related Weaknesses (CWE)

References

FAQ

What is CVE-2022-44640?

CVE-2022-44640 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).

How severe is CVE-2022-44640?

CVE-2022-44640 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-44640?

Check the references section above for vendor advisories and patch information. Affected products include: Heimdal Project Heimdal, Samba Samba.