CVE-2024-7589
No exploitation reported by the sources we read.
- Published2024-08-12
- Fixed in14.1_release_p3 · 14.0_release_p9 · 13.3 · 13.3_release_p5 · 13.0
- WeaknessCWE-362 · CWE-364
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
A signal handler in sshd(8) may call a logging function that is not async-signal-safe. The signal handler is invoked when a client does not authenticate within the LoginGraceTime seconds (120 by default). This signal handler executes in the context of the sshd(8)'s privileged code, which is not sandboxed and runs with full root privileges. This issue is another instance of the problem in CVE-2024-6387 addressed by FreeBSD-SA-24:04.openssh. The faulty code in this case is from the integration of blacklistd in OpenSSH in FreeBSD. As a result of calling functions that are not async-signal-safe in the privileged sshd(8) context, a race condition exists that a determined attacker may be able to exploit to allow an unauthenticated remote code execution as root.
Timeline
dates in UTC- 2024-08-1213:38CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-7589?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-7589?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
CISA-ADP · NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 14.1 | ≥ 14.1, < 14.1_release_p3 | 14.1_release_p3 | CISA-ADP |
| 14.0 | ≥ 14.0, < 14.0_release_p9 | 14.0_release_p9 | CISA-ADP |
| 13.x | ≥ 13.1, < 13.3 | 13.3 | NVD |
| 13.3 | ≥ 13.3, < 13.3_release_p5 | 13.3_release_p5 | CISA-ADP |
| 13.0 | < 13.0 | 13.0 | NVD |
| 13.3 | = 13.3 | no fix published | NVD |
| 14.0 | = 14.0 | no fix published | NVD |
| 14.1 | = 14.1 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update Freebsd to 14.1_release_p3 · 14.0_release_p9 · 13.3 · 13.3_release_p5 · 13.0
Advisories and patches
- security.freebsd.orgVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2024-08-12
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2024-7589?
Is CVE-2024-7589 actively exploited?
What is the CVSS score for CVE-2024-7589?
Hear about the next vulnerability in your software
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
No credit card required · No monthly cap on website lookups · 250 API requests/month
Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.