CVE-2022-41916
Read one byte past a buffer when normalizing Unicode
Description
Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos. Versions prior to 7.7.1 are vulnerable to a denial of service vulnerability in Heimdal's PKI certificate validation library, affecting the KDC (via PKINIT) and kinit (via PKINIT), as well as any third-party applications using Heimdal's libhx509. Users should upgrade to Heimdal 7.7.1 or 7.8. There are no known workarounds for this issue.
INFO
Published Date :
Nov. 15, 2022, 11:15 p.m.
Last Modified :
Nov. 21, 2024, 7:24 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Upgrade Heimdal to version 7.7.1 or later.
- Update all affected packages.
Public PoC/Exploit Available at Github
CVE-2022-41916 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-41916.
| URL | Resource |
|---|---|
| https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202310-06 | |
| https://security.netapp.com/advisory/ntap-20230216-0008/ | |
| https://www.debian.org/security/2022/dsa-5287 | Third Party Advisory |
| https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202310-06 | |
| https://security.netapp.com/advisory/ntap-20230216-0008/ | |
| https://www.debian.org/security/2022/dsa-5287 | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-41916 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-41916
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Shell Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-41916 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-41916 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx Added Reference https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html Added Reference https://security.gentoo.org/glsa/202310-06 Added Reference https://security.netapp.com/advisory/ntap-20230216-0008/ Added Reference https://www.debian.org/security/2022/dsa-5287 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 08, 2023
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202310-06 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 16, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20230216-0008/ [No Types Assigned] -
Modified Analysis by [email protected]
Nov. 28, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5287 No Types Assigned https://www.debian.org/security/2022/dsa-5287 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 26, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 23, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5287 [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 18, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx No Types Assigned https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx Third Party Advisory Added CWE NIST CWE-193 Added CPE Configuration OR *cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:* versions up to (excluding) 7.7.1
Vulnerability Scoring Details
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.23 }} 0.02%
score
0.45956
percentile