Out-of-bounds Write Affecting shim-ia32 package, versions <0:15.6-1.el8
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Test your applications- Snyk ID SNYK-CENTOS8-SHIMIA32-2931275
- published 9 Jun 2022
- disclosed 7 Jun 2022
Introduced: 7 Jun 2022
CVE-2021-3697 Open this link in a new tabHow to fix?
Upgrade Centos:8 shim-ia32 to version 0:15.6-1.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream shim-ia32 package and not the shim-ia32 package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
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.