CVE-2022-44640
CRITICALCVSS 9.8/10EPSS 1.84%
Last modified
CVE-2022-44640 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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).. EPSS estimates a 1.84% chance of exploitation in the next 30 days.
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Heimdal Project | Heimdal | < 7.7.1 |
| Samba | Samba | >= 4.15.0, < 4.15.3 |
| Samba | Samba | >= 4.16.0, < 4.16.8 |
| Samba | Samba | >= 4.17.0, < 4.17.4 |
References
- https://github.com/heimdal/heimdal/security/advisories/GHSA-88pm-hfmq-7vv4Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230216-0008/Third Party Advisory
- https://github.com/heimdal/heimdal/security/advisories/GHSA-88pm-hfmq-7vv4Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230216-0008/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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).
How severe is CVE-2022-44640?
CVE-2022-44640 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.
How do I fix CVE-2022-44640?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2022
- CVE-2022-44634Auth. (admin+) Arbitrary File Read vulnerability in S2W – Im…4.9
- CVE-2022-44635Apache Fineract allowed an authenticated user to perform rem…8.8
- CVE-2022-44636The Samsung TV (2021 and 2022 model) smart remote control al…4.6
- CVE-2022-44637Redmine before 4.2.9 and 5.0.x before 5.0.4 allows persisten…6.1
- CVE-2022-44638In libpixman in Pixman before 0.42.2, there is an out-of-bou…8.8
- CVE-2022-4464Themify Portfolio Post WordPress plugin before 1.2.1 does no…5.4
- CVE-2022-44641In Linaro Automated Validation Architecture (LAVA) before 20…6.5
- CVE-2022-44643A vulnerability in the label-based access control of Grafana…8.8
- CVE-2022-44644In Apache Linkis <=1.3.0 when used with the MySQL Connector/…6.5
- CVE-2022-44645In Apache Linkis <=1.3.0 when used with the MySQL Connector/…8.8
- CVE-2022-44646In JetBrains TeamCity version before 2022.10, no audit items…5.3
- CVE-2022-44647An Out-of-bounds read vulnerability in Trend Micro Apex One …5.5
Are you affected by CVE-2022-44640?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST