CVE-2022-50999

Summary

Nokogiri versions before 1.13.5 contain an integer overflow vulnerability in packaged libxml2 buffer handling functions that allows attackers to cause out-of-bounds memory writes. Attackers can exploit this by crafting multi-gigabyte XML files to trigger buffer overflows resulting in information disclosure, data modification, or denial of service.

Affected Software

Weaknesses

• CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-cgx6-hpwq-fhv5
• https://github.com/sparklemotion/nokogiri/commit/2554a24
• https://www.vulncheck.com/advisories/nokogiri-before-integer-overflow-via-libxml2

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