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Information Exposure Affecting ruby package, versions <0:2.0.0.648-33.el7_4

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
2.02% (89th percentile)

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  • Snyk IDSNYK-RHEL7-RUBY-1479947
  • published26 Jul 2021
  • disclosed2 Mar 2017
Report a new vulnerability Found a mistake?

Introduced: 2 Mar 2017

CVE-2017-14064  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:7 ruby to version 0:2.0.0.648-33.el7_4 or higher.
This issue was patched in RHSA-2018:0378.

NVD Description

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

Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a '\0' byte, returning a pointer to a string of length zero, which is not the length stored in space_len.