Information Exposure Affecting ruby package, versions [2.2.0,2.2.10)[2.3.0,2.3.7)[2.4.0,2.4.4)[2.5.0,2.5.1)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.44% (75th percentile)

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  • Snyk IDSNYK-UNMANAGED-RUBY-2370234
  • published26 Jan 2022
  • disclosed3 Apr 2018
  • creditUnknown

Introduced: 3 Apr 2018

CVE-2018-8778  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade ruby to version 2.2.10, 2.3.7, 2.4.4, 2.5.1 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.

References

CVSS Scores

version 3.1