Access Restriction Bypass Affecting openssh-debuginfo package, versions <0:6.2p2-8.45.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN201803-OPENSSHDEBUGINFO-1690280
  • published27 Sept 2021
  • 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 Amazon-Linux:2018.03 openssh-debuginfo to version 0:6.2p2-8.45.amzn1 or higher.
This issue was patched in ALAS-2015-592.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh-debuginfo package and not the openssh-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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