Information Exposure Affecting pam_ssh_agent_auth package, versions <0:0.10.3-7.10.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.23% (61st percentile)

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  • Snyk IDSNYK-RHEL8-PAMSSHAGENTAUTH-4160504
  • published26 Jul 2021
  • disclosed29 Jun 2020

Introduced: 29 Jun 2020

CVE-2020-14145  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade RHEL:8 pam_ssh_agent_auth to version 0:0.10.3-7.10.el8 or higher.
This issue was patched in RHSA-2021:4368.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pam_ssh_agent_auth package and not the pam_ssh_agent_auth package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client). NOTE: some reports state that 8.5 and 8.6 are also affected.

CVSS Scores

version 3.1