User Interface (UI) Misrepresentation of Critical Information Affecting pam_ssh_agent_auth package, versions <0:0.10.3-7.3.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.23% (61st percentile)

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  • Snyk IDSNYK-RHEL8-PAMSSHAGENTAUTH-3634171
  • published26 Jul 2021
  • disclosed16 Nov 2018

Introduced: 16 Nov 2018

CVE-2019-6109  (opens in a new tab)
CWE-451  (opens in a new tab)

How to fix?

Upgrade RHEL:8 pam_ssh_agent_auth to version 0:0.10.3-7.3.el8 or higher.
This issue was patched in RHSA-2019:3702.

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.

An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server (or Man-in-The-Middle attacker) can employ crafted object names to manipulate the client output, e.g., by using ANSI control codes to hide additional files being transferred. This affects refresh_progress_meter() in progressmeter.c.

CVSS Scores

version 3.1