Arch Linux update for openssh



| Updated: 2025-02-28
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-6387
CWE-ID CWE-362
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Arch Linux
Operating systems & Components / Operating system

openssh
Operating systems & Components / Operating system package or component

Vendor Arch Linux

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Race condition

EUVDB-ID: #VU93513

Risk: High

CVSSv4.0: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2024-6387

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition in portable version of sshd. A remote non-authenticated attacker can send a series of requests in order to trigger a race condition and execute arbitrary code on the system.

Mitigation

Update the affected package openssh to version 9.8p1-1.

Vulnerable software versions

Arch Linux: All versions

openssh: before 9.8p1-1

CPE2.3 External links

https://security.archlinux.org/advisory/ASA-202407-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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