CVE-2024-6387
What it is
A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 99.5% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 99.5% in the next 30 days (EPSS).
- Severity: 8.1 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 99.5% · EPSS, next 30 days
- Weakness
- CWE-364
- Record status
- Modified
Affected
- Sonicwall Sma 6200 Firmware
- Sonicwall Sma 7200 Firmware
- Arista Eos ≤ 4.32.1f
- Canonical Ubuntu Linux 23.10
- Canonical Ubuntu Linux 24.04
- Almalinux 9.0
- Sonicwall Sma 6210 Firmware
- Sonicwall Sma 7210 Firmware
Attack profile CVSS 3.1 · 8.1
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2024-6387.md and follow it. Check whether this project is affected by CVE-2024-6387. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2024/07/03/3
- https://github.com/openela-main/openssh/commit/e1f438970e5a337a17070a637c1b9e19697cad09
- https://lists.mindrot.org/pipermail/openssh-unix-dev/2024-July/041431.html
- https://news.ycombinator.com/item?id=40843778
References
- https://access.redhat.com/errata/RHSA-2024:4312
- https://access.redhat.com/errata/RHSA-2024:4340
- https://access.redhat.com/errata/RHSA-2024:4389
- https://access.redhat.com/errata/RHSA-2024:4469
- https://access.redhat.com/errata/RHSA-2024:4474
- https://access.redhat.com/errata/RHSA-2024:4479
- https://access.redhat.com/errata/RHSA-2024:4484
- https://access.redhat.com/security/cve/CVE-2024-6387
- https://bugzilla.redhat.com/show_bug.cgi?id=2294604
- https://santandersecurityresearch.github.io/blog/sshing_the_masses.html
- https://www.openssh.com/txt/release-9.8
- https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txt
- http://seclists.org/fulldisclosure/2024/Jul/18
- http://seclists.org/fulldisclosure/2024/Jul/19
- http://seclists.org/fulldisclosure/2024/Jul/20
- http://www.openwall.com/lists/oss-security/2024/07/01/12
- http://www.openwall.com/lists/oss-security/2024/07/01/13
- http://www.openwall.com/lists/oss-security/2024/07/02/1
- http://www.openwall.com/lists/oss-security/2024/07/03/1
- http://www.openwall.com/lists/oss-security/2024/07/03/11
- http://www.openwall.com/lists/oss-security/2024/07/03/2
- http://www.openwall.com/lists/oss-security/2024/07/03/3
- http://www.openwall.com/lists/oss-security/2024/07/03/4
- http://www.openwall.com/lists/oss-security/2024/07/03/5
- http://www.openwall.com/lists/oss-security/2024/07/04/1