CVE-2023-38408
openssh - security update
9.8
CRITICAL
CVSS 3.1
EPSS 64.4%
Description
The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system. (Code in /usr/lib is not necessarily safe for loading into ssh-agent.) NOTE: this issue exists because of an incomplete fix for CVE-2016-10009.
How to fix CVE-2023-38408
To remediate CVE-2023-38408, upgrade the affected package to a fixed version below.
- —upgrade to 9.0_p1-r4 or later
- —upgrade to 1:8.4p1-5+deb11u2 or later
- —upgrade to 1:7.9p1-10+deb10u3 or later
Is CVE-2023-38408 being exploited?
Likely — EPSS is 64.4%, placing CVE-2023-38408 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (3)
- from 0, < 9.0_p1-r4
- from 0, < 1:8.4p1-5+deb11u2
- from 0, < 1:7.9p1-10+deb10u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |