Arbitrary Code Injection Affecting ruby package, versions <2.5.7-r0
Snyk CVSS
Attack Complexity
High
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.86% (82nd
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-ALPINE38-RUBY-513715
- published 13 Nov 2019
- disclosed 26 Nov 2019
Introduced: 13 Nov 2019
CVE-2019-16255 Open this link in a new tabHow to fix?
Upgrade Alpine:3.8
ruby
to version 2.5.7-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby
package and not the ruby
package as distributed by Alpine
.
See How to fix?
for Alpine:3.8
relevant fixed versions and status.
Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows code injection if the first argument (aka the "command" argument) to Shell#[] or Shell#test in lib/shell.rb is untrusted data. An attacker can exploit this to call an arbitrary Ruby method.