CVE-20XX-?
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CVE-2020-15707

5.7 MEDIUM 2% exploit odds Fix listed

What it is

Integer overflows were discovered in the functions grub_cmd_initrd and grub_initrd_init in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu (the functionality is not included in GRUB2 upstream), leading to a heap-based buffer overflow. These could be triggered by an extremely large number of arguments to the initrd command on 32-bit architectures, or a crafted filesystem with very large files on any architecture. An attacker could use this to execute arbitrary code and bypass UEFI Secure Boot restrictions. This issue affects GRUB2 version 2.04 and prior versions.

At a glance

Exploitability
Can be exploited locally on the machine with an admin-level account. High risk of data tampering, service disruption.
Exploit odds
1.6% chance of exploitation in the next 30 days (EPSS).
Fix
A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

  1. PublishedDisclosed publicly on CVE.org and NVD
  2. Last updatedMost recent change to the record

Why it ranks here

Details

Published
Last modified
Exploit probability
1.6% · EPSS, next 30 days
Weakness
CWE-362 · Race condition
Record status
Modified

Affected

Attack profile CVSS 3.1 · 5.7

Attack vector
Local
Complexity
High
Privileges needed
High
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Raw vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-15707.md and follow it. Check whether this project is affected by CVE-2020-15707. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record