Information Exposure Affecting pam_ssh_agent_auth package, versions <0:0.10.3-2.21.el7


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
91.11% (100th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Information Exposure vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL7-PAMSSHAGENTAUTH-4921408
  • published26 Jul 2021
  • disclosed16 Aug 2018

Introduced: 16 Aug 2018

CVE-2018-15473  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:7 pam_ssh_agent_auth to version 0:0.10.3-2.21.el7 or higher.
This issue was patched in RHSA-2019:2143.

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:7 relevant fixed versions and status.

OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.

CVSS Base Scores

version 3.1