Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2019-5477

A command injection vulnerability in Nokogiri v1.10.3 and earlier allows commands to be executed in a subprocess via Ruby's `Kernel.open` method. Processes are vulnerable only if the undocumented method `Nokogiri::CSS::Tokenizer#load_file` is being called with unsafe user input as the filename. This vulnerability appears in code generated by the Rexical gem versions v1.0.6 and earlier. Rexical is used by Nokogiri to generate lexical scanner code for parsing CSS queries. The underlying vulnerability was addressed in Rexical v1.0.7 and Nokogiri upgraded to this version of Rexical in Nokogiri v1.10.4.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.014
EPSS Ranking 79.3%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
Products affected by CVE-2019-5477


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