CVE-2015-5281

critical

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1264103

http://www.securitytracker.com/id/1034198

http://www.securityfocus.com/bid/77983

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

http://rhn.redhat.com/errata/RHSA-2015-2401.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172942.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172611.html

Details

Source: Mitre, NVD

Published: 2015-11-24

Updated: 2016-12-07

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:L/AC:H/Au:N/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical