CVE-2015-5281
low
CVSS v3
—
CVSS v2
2.6
VIR risk
2.6
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-5281
Vendor advisory: secalert@redhat.com — http://rhn.redhat.com/errata/RHSA-2015-2401.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
| rhel | 7.0 | affected | |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172611.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172942.html
- http://rhn.redhat.com/errata/RHSA-2015-2401.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/77983
- http://www.securitytracker.com/id/1034198
- https://bugzilla.redhat.com/show_bug.cgi?id=1264103
- https://security-tracker.debian.org/tracker/CVE-2015-5281
CWEs
CWE-264
Verify integrity in audit chain (admin only). AS-IS.