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
Link | Resource |
---|---|
https://bugzilla.redhat.com/show_bug.cgi?id=1991687 | Issue Tracking Third Party Advisory |
https://security.gentoo.org/glsa/202209-12 | Third Party Advisory |
https://security.netapp.com/advisory/ntap-20220930-0001/ | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: redhat
Published: 2022-07-06T15:06:47
Updated: 2022-09-30T15:06:20
Reserved: 2021-08-10T00:00:00
Link: CVE-2021-3697
JSON object: View
NVD Information
Status : Analyzed
Published: 2022-07-06T16:15:08.320
Modified: 2023-09-13T16:15:06.283
Link: CVE-2021-3697
JSON object: View
Redhat Information
No data.
CWE