partitiondxe-and-udf-buffer-overflow.md

34. PartitionDxe and Udf Buffer Overflow{#partitiondxe-and-udf-buffer-overflow}

Description:

Buffer overflow in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege and/or denial of service via network access.

Impact

Escalation of privilege and/or denial of service

Severity

8.7 (High) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H

Recommendation:

EDK II Commits:

• https://github.com/tianocore/edk2/commit/4df8f5bfa28b8b881e506437e8f08d92c1a00370
• https://github.com/tianocore/edk2/commit/b9ae1705adfdd43668027a25a2b03c2e81960219
• https://github.com/tianocore/edk2/commit/5c0748f43f4e1cc15fdd0be64a764eacd7df92f6
• https://github.com/tianocore/edk2/commit/89f75aa04a97293a8ed9db2a90851a5053730cf5
• https://github.com/tianocore/edk2/commit/3b30351b75d70ea65701ac999875fbb81a89a5ca

Patch:

• https://bugzilla.tianocore.org/attachment.cgi?id=224

Acknowledgments:

Intel Team

References:

CVE-2019-0160

EDK II Bugzilla #828