Vulnerability Details : CVE-2015-5281
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.
Products affected by CVE-2015-5281
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-5281
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-5281
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.6
|
LOW | AV:L/AC:H/Au:N/C:P/I:P/A:N |
1.9
|
4.9
|
NIST |
CWE ids for CVE-2015-5281
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-5281
-
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172611.html
[SECURITY] Fedora 23 Update: grub2-2.02-0.24.fc23
-
http://www.securitytracker.com/id/1034198
Red Hat Enterprise Linux Grub2 Bug Lets Local Users Bypass Secure Boot - SecurityTracker
-
https://bugzilla.redhat.com/show_bug.cgi?id=1264103
1264103 – (CVE-2015-5281) CVE-2015-5281 grub2: modules built in on EFI builds that allow loading arbitrary code, circumventing secure boot
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
Oracle Linux Bulletin - October 2015
-
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172942.html
[SECURITY] Fedora 22 Update: grub2-2.02-0.17.fc22
-
http://rhn.redhat.com/errata/RHSA-2015-2401.html
RHSA-2015:2401 - Security Advisory - Red Hat Customer PortalVendor Advisory
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http://www.securityfocus.com/bid/77983
GNU GRUB2 CVE-2015-5281 Local Security Bypass Vulnerability
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