CVE-2018-12180

Published: 27 March 2019

Buffer overflow in BlockIo service for EDK II may allow an unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via network access.

Priority

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package	Release	Status
edk2 Launchpad, Ubuntu, Debian	bionic	Released (0~20180205.c0d9813c-2ubuntu0.2)
	cosmic	Ignored (end of life)
	disco	Not vulnerable (0~20190309.89910a39-1ubuntu1)
	eoan	Not vulnerable (0~20190606.20d2e5a1-1ubuntu2)
	focal	Not vulnerable (0~20190606.20d2e5a1-1ubuntu2)
	trusty	Does not exist (trusty was needs-triage)
	upstream	Released (0~20181115.85588389-3)
	xenial	Released (0~20160408.ffea0a2c-2ubuntu0.1)
	Patches: upstream: https://github.com/tianocore/edk2/commit/38c9fbdcaa0219eb86fe82d90e3f8cfb5a54be9f upstream: https://github.com/tianocore/edk2/commit/fccdb88022c1f6d85c773fce506b10c879063f1d

Severity score breakdown

Parameter	Value
Base score	8.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

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