CVE-2021-3697 Detail

Awaiting Analysis


This vulnerability is currently awaiting analysis.

Description

A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write Red Hat, Inc.  

Change History

0 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3697
NVD Published Date:
07/06/2022
NVD Last Modified:
07/06/2022
Source:
Red Hat, Inc.