Access Restriction Bypass Affecting openssh package, versions <0:6.6.1p1-22.el7


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (13th 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 IDSNYK-ORACLE7-OPENSSH-2501950
  • published10 Apr 2022
  • disclosed24 Aug 2015

Introduced: 24 Aug 2015

CVE-2015-6564  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Oracle:7 openssh to version 0:6.6.1p1-22.el7 or higher.
This issue was patched in ELSA-2015-2088.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

Use-after-free vulnerability in the mm_answer_pam_free_ctx function in monitor.c in sshd in OpenSSH before 7.0 on non-OpenBSD platforms might allow local users to gain privileges by leveraging control of the sshd uid to send an unexpectedly early MONITOR_REQ_PAM_FREE_CTX request.

CVSS Scores

version 3.1