Information Exposure Affecting freebsd package, versions [,11.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-FREEBSD-2383220
  • published26 Jan 2022
  • disclosed28 Sept 2018
  • creditUnknown

Introduced: 28 Sep 2018

CVE-2018-17155  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade freebsd to version 11.2 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data.

CVSS Scores

version 3.1