Heap-based Buffer Overflow Affecting nokogiri package, versions <1.16.5


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-RUBY-NOKOGIRI-7164639
  • published 30 May 2024
  • disclosed 13 May 2024
  • credit Zhineng Zhong

How to fix?

Upgrade nokogiri to version 1.16.5 or higher.

Overview

nokogiri is a gem for parsing HTML, XML, SAX, and Reader.

Affected versions of this package are vulnerable to Heap-based Buffer Overflow through the xmlHTMLPrintFileContext function in xmllint.c. An attacker can read memory contents that may contain sensitive data by triggering a buffer over-read condition.

CVSS Scores

version 3.1
Expand this section

Snyk

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
Expand this section

Red Hat

5.5 medium