Non notée
CVE-2020-25647 A flaw was found in grub2 in versions prior to 2.06
Description
A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the Secure Boot mechanism. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| grub2 | Versions non publiées |
Références
- bugzilla.redhat.com bugzilla.redhat.com
- FEDORA-2021-cab258a413 lists.fedoraproject.org
- GLSA-202104-05 security.gentoo.org
- security.netapp.com security.netapp.com
Chronologie
- Publiée
- Dernière modification
Autres CVE de grub2
Les 14 CVE de grub2 →
CVE-2022-3775
When rendering certain unicode sequences, grub2's font code doesn't proper validate if the informed glyph's width and…
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A buffer overflow was found in grub_font_construct_glyph()
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CVE-2021-3697
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written…
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CVE-2021-3696
A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader
Non notée