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Nokogiri implementation of libxslt vulnerable to heap corruption

High severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jul 10, 2023

Package

bundler nokogiri (RubyGems)

Affected versions

< 1.10.5

Patched versions

1.10.5

Description

Type confusion in xsltNumberFormatGetMultipleLevel prior to libxslt 1.1.33 could allow attackers to potentially exploit heap corruption via crafted XML data.

Nokogiri prior to version 1.10.5 contains a vulnerable version of libxslt. Nokogiri version 1.10.5 upgrades the dependency to libxslt 1.1.34, which contains a patch for this issue.

References

Published by the National Vulnerability Database Dec 11, 2019
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jul 7, 2023
Last updated Jul 10, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2019-5815

GHSA ID

GHSA-vmfx-gcfq-wvm2

Source code

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