CVE-2022-33896

Summary

A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.

Affected Software

VendorProductVersion RangeStatus
HancomHancom Office 2020Hancom Office 2020 11.0.0.5357affected

Weaknesses

  • CWE-124: CWE-124: Buffer Underwrite ('Buffer Underflow')

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: total

References