Incorrect Authorization Affecting screen package, versions [,4.5.1)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-UNMANAGED-SCREEN-2319399
  • published14 Dec 2021
  • disclosed20 Mar 2017
  • creditUnknown

Introduced: 20 Mar 2017

CVE-2017-5618  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade screen to version 4.5.1 or higher.

Overview

Affected versions of this package are vulnerable to Incorrect Authorization. GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.

CVSS Base Scores

version 3.1