CVE-2022-32743
HIGHCVSS 7.5/10EPSS 1.10%
Last modified
CVE-2022-32743 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Samba does not validate the Validated-DNS-Host-Name right for the dNSHostName attribute which could permit unprivileged users to write it.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.
Description
Samba does not validate the Validated-DNS-Host-Name right for the dNSHostName attribute which could permit unprivileged users to write it.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.1.0, < 4.17.0 |
| Fedoraproject | Fedora | 37 |
References
- https://bugzilla.samba.org/show_bug.cgi?id=14833Issue Tracking, Vendor Advisory
- https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-adts/5c578b15-d619-408d-ba17-380714b89fd1Exploit, Patch, Third Party Advisory, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTTOLTHUHOV4SHCHCB5TAA4FQVJAWN4P/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202309-06Third Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14833Issue Tracking, Vendor Advisory
- https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-adts/5c578b15-d619-408d-ba17-380714b89fd1Exploit, Patch, Third Party Advisory, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTTOLTHUHOV4SHCHCB5TAA4FQVJAWN4P/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202309-06Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2022-32743?
Samba does not validate the Validated-DNS-Host-Name right for the dNSHostName attribute which could permit unprivileged users to write it.
How severe is CVE-2022-32743?
CVE-2022-32743 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.
How do I fix CVE-2022-32743?
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.
Are you affected by CVE-2022-32743?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST