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Sid 1-50121

Message

OS-WINDOWS Microsoft Windows TrueType font parsing integer underflow attempt

Summary

This event is generated when an attacker attempts to exploit an integer overflow in Microsoft Windows TrueType font parsing.

Impact

Attempted Administrator Privilege Gain

Detailed information

This rule checks for attempts to exploit an integer overflow in Microsoft Windows' TrueType font parsing.

Affected systems

Ease of attack

False positives

Not known

False negatives

Not known

Corrective action

Contributors

  • Cisco Talos Intelligence Group

Additional References

  • CVE-2019-0903
  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2019-0903