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Gentoo GLSA-202006-05 Normal: Nokogiri Command Injection Risk

gentoo
Calendar Grey June 12, 2020
Dist Gentoo Esm H88
CVE-2023-XXXX vulnerability notice from Arch Linux, severity moderate, mitigate code execution exposure to enhance system integrity.
Nokogiri has a vulnerability allowing arbitrary execution of code if a certain function is used.

Summary

A command injection vulnerability in Nokogiri allows commands to be executed in a subprocess by Ruby's Kernel.open method. Processes are vulnerable only if the undocumented method Nokogiri::CSS::Tokenizer#load_file is being passed untrusted user input.

Topics%20covered

Topics Covered

security advisory Gentoo command injection normal severity Nokogiri

Resolution

All Nokogiri users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-ruby/nokogiri-1.10.4"

References

[ 1 ] CVE-2019-5477 https://nvd.nist.gov/vuln/detail/CVE-2019-5477 [ 2 ] Upstream bug https://github.com/sparklemotion/nokogiri/issues/1915

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202006-05
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: Nokogiri: Command injection
Date: June 13, 2020
Bugs: #691974
ID: 202006-05

Topics%20covered

Topics Covered

security advisory Gentoo command injection normal severity Nokogiri

Synopsis

Nokogiri has a vulnerability allowing arbitrary execution of code if a certain function is used.

Background

Nokogiri is an HTML, XML, SAX, and Reader parser.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-ruby/nokogiri < 1.10.4 >= 1.10.4

Impact

===== A remote attacker could possibly execute arbitrary code with the privileges of the process.

Workaround

Avoid calling the undocumented method Nokogiri::CSS::Tokenizer#load_file with untrusted user input.

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