SARA / Free Tools / CVE / CVE-2019-5477

CVE-2019-5477 — A command injection vulnerability in Nokogiri v1

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 in

CVSS
— —
EPSS
6.08% (top 9.30%)
CWE
CWE-78
Published
2019-08-16T00:00:00.000Z
Last modified
2024-08-04T19:54:53.581Z
CVSS vector
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01What is this vulnerability?

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…

02Affected products

VendorProductVersions
na / Nokogiri (ruby gem)Fixed in v1.10.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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