REDHAT-BUG-1641465: Buffer Overflow

Published Oct 22, 2018

Updated

In EDK II, a vulnerability exists in BaseUefiDecompressLib.c, TianoCompress.c, and UEFI specification via a heap-based buffer overflow in the Decode() function. 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·06:21 AM

DescriptionSeverityAffected Software

Frequently Asked Questions

What is the severity of REDHAT-BUG-1641465?

The severity of REDHAT-BUG-1641465 is critical due to the potential for privilege escalation.

How do I fix REDHAT-BUG-1641465?

To fix REDHAT-BUG-1641465, you should apply the latest patches provided for TianoCore EDK II.

Who is affected by REDHAT-BUG-1641465?

TianoCore EDK II users are affected by the vulnerability in REDHAT-BUG-1641465.

What type of vulnerability is REDHAT-BUG-1641465?

REDHAT-BUG-1641465 is a heap-based buffer overflow vulnerability.

Can REDHAT-BUG-1641465 be exploited remotely?

No, REDHAT-BUG-1641465 requires an authenticated attacker to exploit the vulnerability.