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OS Command Injection Affecting rubygem-psych package, versions <0:2.0.0-33.el7_4

Severity

 Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
35.25% (98th percentile)

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  • Snyk IDSNYK-ORACLE7-RUBYGEMPSYCH-2522140
  • published10 Apr 2022
  • disclosed15 Dec 2017
Report a new vulnerability Found a mistake?

Introduced: 15 Dec 2017

CVE-2017-17405  (opens in a new tab)
CWE-78  (opens in a new tab)

How to fix?

Upgrade Oracle:7 rubygem-psych to version 0:2.0.0-33.el7_4 or higher.
This issue was patched in ELSA-2018-0378.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-psych package and not the rubygem-psych package as distributed by Oracle. See How to fix? for Oracle: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.

References