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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-15705 Detail

Description

GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim. This issue affects GRUB2 version 2.04 and prior versions.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00067.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00069.html Mailing List  Third Party Advisory 
http://ubuntu.com/security/notices/USN-4432-1 Third Party Advisory 
http://ubuntu.com/security/notices/USN-4432-1 Third Party Advisory 
http://www.openwall.com/lists/oss-security/2020/07/29/3 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2020/07/29/3 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/03/02/3 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/03/02/3 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/09/17/2 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/09/17/2 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/09/17/4 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/09/17/4 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/09/21/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/09/21/1 Mailing List  Third Party Advisory 
https://access.redhat.com/security/vulnerabilities/grub2bootloader Third Party Advisory 
https://access.redhat.com/security/vulnerabilities/grub2bootloader Third Party Advisory 
https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html Issue Tracking  Vendor Advisory 
https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html Issue Tracking  Vendor Advisory 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011 Patch  Third Party Advisory  Vendor Advisory 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200011 Patch  Third Party Advisory  Vendor Advisory 
https://security.gentoo.org/glsa/202104-05 Third Party Advisory 
https://security.gentoo.org/glsa/202104-05 Third Party Advisory 
https://security.netapp.com/advisory/ntap-20200731-0008/ Third Party Advisory 
https://security.netapp.com/advisory/ntap-20200731-0008/ Third Party Advisory 
https://usn.ubuntu.com/4432-1/ Third Party Advisory 
https://usn.ubuntu.com/4432-1/ Third Party Advisory 
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass Third Party Advisory 
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass Third Party Advisory 
https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot Third Party Advisory 
https://www.debian.org/security/2020-GRUB-UEFI-SecureBoot Third Party Advisory 
https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/ Third Party Advisory 
https://www.eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/ Third Party Advisory 
https://www.openwall.com/lists/oss-security/2020/07/29/3 Mailing List  Third Party Advisory 
https://www.openwall.com/lists/oss-security/2020/07/29/3 Mailing List  Third Party Advisory 
https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/ Third Party Advisory 
https://www.suse.com/c/suse-addresses-grub2-secure-boot-issue/ Third Party Advisory 
https://www.suse.com/support/kb/doc/?id=000019673 Third Party Advisory 
https://www.suse.com/support/kb/doc/?id=000019673 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-347 Improper Verification of Cryptographic Signature cwe source acceptance level NIST   Canonical Ltd.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

15 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-15705
NVD Published Date:
07/29/2020
NVD Last Modified:
11/21/2024
Source:
Canonical Ltd.