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Improper Input Validation Affecting ruby-doc package, versions <0:2.0.0.648-33.el7_4

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
89.5% (99th percentile)

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  • Snyk IDSNYK-RHEL7-RUBYDOC-4780212
  • published26 Jul 2021
  • disclosed14 Dec 2017
Report a new vulnerability Found a mistake?

Introduced: 14 Dec 2017

CVE-2017-17405  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:7 ruby-doc 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-doc package and not the ruby-doc package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Ruby before 2.4.3 allows Net::FTP command injection. Net::FTP#get, getbinaryfile, gettextfile, put, putbinaryfile, and puttextfile use Kernel#open to open a local file. If the localfile argument starts with the "|" pipe character, the command following the pipe character is executed. The default value of localfile is File.basename(remotefile), so malicious FTP servers could cause arbitrary command execution.