| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| grub2 | ≥ 2.00, < 2.12 | 2.12 |
| developer tools | = 1.0 | |
| openshift | = 3.0 | |
| openshift container platform | = 4.10= 4.6= 4.9 |
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.
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