PT-2022-12224 · Heimdal+4 · Heimdal+4

Nicowilliams · Published 2022-11-22 · Updated 2024-05-14 · CVE-2021-44758

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Heimdal versions prior to 7.7.1

Description The issue allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor. This can be achieved via a preferred mech type of GSS C NO OID and a nonzero initial response value to send accept.

Recommendations For Heimdal versions prior to 7.7.1, update to version 7.7.1 or later to resolve the issue.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

AZL-44859

CVE-2021-44758

DLA-3206-1

DSA-5287-1

GHSA-69H9-669W-88XV

MGASA-2022-0468

OPENSUSE-SU-2023:0019-1

OPENSUSE-SU-2023:0020-1

OPENSUSE-SU-2024:12580-1

ROSA-SA-2024-2419

USN-5800-1

Affected Products

Astra Linux

Freebsd

Heimdal

Linuxmint

Ubuntu

References · 41

• https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580 · Patch
• https://advisories.mageia.org/MGASA-2022-0468.html · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2021-44758 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2023:0019-1 · Vendor Advisory
• https://debian.org/security/2022/dsa-5286 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-44758 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-44758 · Security Note
• https://ubuntu.com/security/CVE-2022-42898 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2022-0468 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5287-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/AYXWFESBZJMBNACFDHWWH7KETGKUXDPO · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5800-1 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-44859 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5800-1 · Vendor Advisory
• https://debian.org/lts/security/2022/dla-3206 · Vendor Advisory