Off-by-one Error Affecting rubygems package, versions <0:2.0.14-22.el7_0


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.25% (65th percentile)

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  • Snyk IDSNYK-RHEL7-RUBYGEMS-4510623
  • published26 Jul 2021
  • disclosed9 Jul 2014

Introduced: 9 Jul 2014

CVE-2014-4975  (opens in a new tab)
CWE-193  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

Upgrade RHEL:7 rubygems to version 0:2.0.14-22.el7_0 or higher.
This issue was patched in RHSA-2014:1912.

NVD Description

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

Off-by-one error in the encodes function in pack.c in Ruby 1.9.3 and earlier, and 2.x through 2.1.2, when using certain format string specifiers, allows context-dependent attackers to cause a denial of service (segmentation fault) via vectors that trigger a stack-based buffer overflow.

CVSS Scores

version 3.1