CVE-2023-33876

Summary

A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. Specially crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

Affected Software

Weaknesses

• CWE-416: CWE-416: Use After Free

ADP Enrichment

CVE Program Container

Additional References

• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1796

CISA ADP Vulnrichment

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

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796

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