Information Exposure Affecting openssh-server package, versions <0:7.4p1-11.el7


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL7-OPENSSHSERVER-5165629
  • published26 Jul 2021
  • disclosed19 Dec 2016

Introduced: 19 Dec 2016

CVE-2016-10011  (opens in a new tab)
CWE-200  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:7 openssh-server to version 0:7.4p1-11.el7 or higher.
This issue was patched in RHSA-2017:2029.

NVD Description

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

authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process.