CVE-2023-28531 Affecting openssh package, versions <1:8.9p1-3ubuntu0.5


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.15% (52nd percentile)

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  • Snyk IDSNYK-UBUNTU2204-OPENSSH-3367022
  • published21 Mar 2023
  • disclosed17 Mar 2023

Introduced: 17 Mar 2023

CVE-2023-28531  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.04 openssh to version 1:8.9p1-3ubuntu0.5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.

CVSS Scores

version 3.1