REDHAT-BUG-1641446: Medium severity edk ii vulnerability

Published Oct 22, 2018

Updated

In EDK II, a vulnerability exists in BaseUefiDecompressLib.c (MdePkg/Library/BaseUefiDecompressLib). An authenticated attacker could exploit this via a crafted file to escalate privileges.

External Reference:

https://edk2-docs.gitbooks.io/security-advisory/content/edk-ii-tianocompress-bounds-checking-issues.html

Upstream Bug:

https://bugzilla.tianocore.org/showbug.cgi?id=686

Affected Software

1 affected component

Tianocore EDK II

Event History

Oct 22, 2018

Data Sourced

via Red Hat·06:03 AM

DescriptionSeverityAffected Software

Frequently Asked Questions

What is the severity of REDHAT-BUG-1641446?

The severity of REDHAT-BUG-1641446 is high due to its potential for privilege escalation by an authenticated attacker.

How do I fix REDHAT-BUG-1641446?

To fix REDHAT-BUG-1641446, ensure that you apply the latest patches and updates provided by TianoCore for EDK II.

What is affected by REDHAT-BUG-1641446?

REDHAT-BUG-1641446 affects the TianoCore EDK II software package.

Can an unauthenticated user exploit REDHAT-BUG-1641446?

No, only an authenticated attacker can exploit the vulnerability described in REDHAT-BUG-1641446.

What can an attacker gain by exploiting REDHAT-BUG-1641446?

An attacker exploiting REDHAT-BUG-1641446 could gain elevated privileges on the affected system.