Out-of-bounds Write Affecting grub2-efi-x64-modules package, versions *
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Test your applications- Snyk ID SNYK-CENTOS7-GRUB2EFIX64MODULES-2865196
- published 9 Jun 2022
- disclosed 7 Jun 2022
Introduced: 7 Jun 2022
CVE-2021-3697 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 grub2-efi-x64-modules.
NVD Description
Note: Versions mentioned in the description apply only to the upstream grub2-efi-x64-modules package and not the grub2-efi-x64-modules package as distributed by Centos.
See How to fix? for Centos:7 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.
References
- https://access.redhat.com/security/cve/CVE-2021-3697
- https://access.redhat.com/errata/RHSA-2022:5095
- https://access.redhat.com/errata/RHSA-2022:5099
- https://bugzilla.redhat.com/show_bug.cgi?id=1991687
- https://security.gentoo.org/glsa/202209-12
- https://security.netapp.com/advisory/ntap-20220930-0001/