CVE-2015-5281 Security feature bypass in n/a
Local or physically proximate attackers can bypass Secure Boot restrictions to execute non-verified code on UEFI systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-5281?
CVE-2015-5281 is a low-severity vulnerability in Redhat Enterprise Linux, published on 24 Nov 2015. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The grub2 package before 2.02-0.29 in Red Hat Enterprise Linux (RHEL) 7, when used on UEFI systems, allows local users to bypass intended Secure Boot restrictions and execute non-verified code via a crafted (1) multiboot or (2) multiboot2 module in the configuration file or physically proximate attackers to bypass intended Secure Boot restrictions and execute non-verified code via the (3) boot menu.
Weakness: CWE-264
Which versions are affected by CVE-2015-5281?
It affects 1 product.
Linux distribution packages (20)
grub2 Red Hat:enterprise_linux:7::client | All versions | 1:2.02-0.29.el7 |
grub2-debuginfo Red Hat:enterprise_linux:7::client | All versions | 1:2.02-0.29.el7 |
grub2-efi Red Hat:enterprise_linux:7::client | All versions | 1:2.02-0.29.el7 |
grub2-efi-modules Red Hat:enterprise_linux:7::client | All versions | 1:2.02-0.29.el7 |
grub2-tools Red Hat:enterprise_linux:7::client | All versions | 1:2.02-0.29.el7 |
grub2 Red Hat:enterprise_linux:7::computenode | All versions | 1:2.02-0.29.el7 |
grub2-debuginfo Red Hat:enterprise_linux:7::computenode | All versions | 1:2.02-0.29.el7 |
grub2-efi Red Hat:enterprise_linux:7::computenode | All versions | 1:2.02-0.29.el7 |
grub2-efi-modules Red Hat:enterprise_linux:7::computenode | All versions | 1:2.02-0.29.el7 |
grub2-tools Red Hat:enterprise_linux:7::computenode | All versions | 1:2.02-0.29.el7 |
grub2 Red Hat:enterprise_linux:7::server | All versions | 1:2.02-0.29.el7 |
grub2-debuginfo Red Hat:enterprise_linux:7::server | All versions | 1:2.02-0.29.el7 |
grub2-efi Red Hat:enterprise_linux:7::server | All versions | 1:2.02-0.29.el7 |
grub2-efi-modules Red Hat:enterprise_linux:7::server | All versions | 1:2.02-0.29.el7 |
grub2-tools Red Hat:enterprise_linux:7::server | All versions | 1:2.02-0.29.el7 |
grub2 Red Hat:enterprise_linux:7::workstation | All versions | 1:2.02-0.29.el7 |
grub2-debuginfo Red Hat:enterprise_linux:7::workstation | All versions | 1:2.02-0.29.el7 |
grub2-efi Red Hat:enterprise_linux:7::workstation | All versions | 1:2.02-0.29.el7 |
grub2-efi-modules Red Hat:enterprise_linux:7::workstation | All versions | 1:2.02-0.29.el7 |
grub2-tools Red Hat:enterprise_linux:7::workstation | All versions | 1:2.02-0.29.el7 |
Products include Redhat Enterprise Linux.
How do I fix CVE-2015-5281?
Apply the vendor's patch.
Is CVE-2015-5281 being exploited?
There is no known exploitation of CVE-2015-5281 in the wild and no public exploit code.
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Sources
Also known as GHSA-626f-gjf6-rgjr, RHSA-2015:2401.