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CVE-2017-5029

HIGH

Nokogiri implementation of libxslt lacks integer overflow checks

Published July 31, 2018Updated February 16, 2024Source: osv

Summary

The xsltAddTextString function in transform.c in libxslt 1.1.29, as used in Nokogiri prior to 1.7.2, lacked a check for integer overflow during a size calculation, which allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update nokogiri to 1.7.2 or later
gem install nokogiri -v 1.7.2

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

PackageEcosystemAffectedFixed In
nokogiri
rubygems
1.0.0, 1.0.1, 1.0.2, 1.0.3 (+94 more)1.7.2

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-787
    Out-of-bounds WriteMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Frequently Asked Questions

What is CVE-2017-5029?
Nokogiri implementation of libxslt lacks integer overflow checks This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2017-5029?
CVE-2017-5029 affects nokogiri. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2017-5029 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-pf6m-fxpq-fg8v

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