CVE-2024-56738
29.12.2024, 07:15
GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks.Enginsight
Vendor | Product | Version |
---|---|---|
gnu | grub2 | 𝑥 ≤ 2.12 |
𝑥
= Vulnerable software versions

Debian Releases

Ubuntu Releases
Ubuntu Product | |||||||||||||||||
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grub2 |
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grub2-signed |
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grub2-unsigned |
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Common Weakness Enumeration
- CWE-208 - Observable Timing DiscrepancyTwo separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.
- CWE-203 - Observable DiscrepancyThe product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
References