CVE-2015-8370
Detail
Deferred
This CVE record is not being prioritized for NVD enrichment efforts due to resource or other concerns.
Description
Multiple integer underflows in Grub2 1.98 through 2.02 allow physically proximate attackers to bypass authentication, obtain sensitive information, or cause a denial of service (disk corruption) via backspace characters in the (1) grub_username_get function in grub-core/normal/auth.c or the (2) grub_password_get function in lib/crypto.c, which trigger an "Off-by-two" or "Out of bounds overwrite" memory error.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
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:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
NVD assessment
not yet provided.
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
References to Advisories, Solutions, and Tools
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URL
Source(s)
Tag(s)
http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html
CVE, MITRE
Exploit
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173703.html
CVE, MITRE
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174049.html
CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00037.html
CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00039.html
CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00040.html
CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00041.html
CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00043.html
CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00044.html
CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00003.html
CVE, MITRE
http://packetstormsecurity.com/files/134831/Grub2-Authentication-Bypass.html
CVE, MITRE
http://rhn.redhat.com/errata/RHSA-2015-2623.html
CVE, MITRE
http://seclists.org/fulldisclosure/2015/Dec/69
CVE, MITRE
http://www.debian.org/security/2015/dsa-3421
CVE, MITRE
http://www.openwall.com/lists/oss-security/2015/12/15/6
CVE, MITRE
http://www.openwall.com/lists/oss-security/2024/01/15/3
CVE, MITRE
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
CVE, MITRE
Patch
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
CVE, MITRE
http://www.securityfocus.com/archive/1/537115/100/0/threaded
CVE, MITRE
http://www.securityfocus.com/bid/79358
CVE, MITRE
http://www.securitytracker.com/id/1034422
CVE, MITRE
http://www.ubuntu.com/usn/USN-2836-1
CVE, MITRE
https://security.gentoo.org/glsa/201512-03
CVE, MITRE
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-264
Permissions, Privileges, and Access Controls
NIST
CWE-191
Integer Underflow (Wrap or Wraparound)
CISA-ADP
Change History
12 change records found show changes
CVE Modified by CVE 11/20/2024 9:38:23 PM
Action
Type
Old Value
New Value
Added
Reference
http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html
Added
Reference
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173703.html
Added
Reference
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174049.html
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00037.html
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00039.html
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00040.html
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00041.html
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00043.html
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00044.html
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00003.html
Added
Reference
http://packetstormsecurity.com/files/134831/Grub2-Authentication-Bypass.html
Added
Reference
http://rhn.redhat.com/errata/RHSA-2015-2623.html
Added
Reference
http://seclists.org/fulldisclosure/2015/Dec/69
Added
Reference
http://www.debian.org/security/2015/dsa-3421
Added
Reference
http://www.openwall.com/lists/oss-security/2015/12/15/6
Added
Reference
http://www.openwall.com/lists/oss-security/2024/01/15/3
Added
Reference
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
Added
Reference
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
Added
Reference
http://www.securityfocus.com/archive/1/537115/100/0/threaded
Added
Reference
http://www.securityfocus.com/bid/79358
Added
Reference
http://www.securitytracker.com/id/1034422
Added
Reference
http://www.ubuntu.com/usn/USN-2836-1
Added
Reference
https://security.gentoo.org/glsa/201512-03
CVE Modified by CISA-ADP 10/21/2024 1:35:14 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
CISA-ADP AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CWE
CISA-ADP CWE-191
CVE Modified by MITRE 5/13/2024 11:43:37 PM
Action
Type
Old Value
New Value
CVE Modified by MITRE 1/15/2024 8:15:33 PM
Action
Type
Old Value
New Value
Added
Reference
MITRE http://www.openwall.com/lists/oss-security/2024/01/15/3 [No types assigned]
CVE Modified by MITRE 10/09/2018 3:58:30 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.securityfocus.com/archive/1/537115/100/0/threaded [No Types Assigned]
Removed
Reference
http://www.securityfocus.com/archive/1/archive/1/537115/100/0/threaded [No Types Assigned]
CVE Modified by MITRE 12/07/2016 1:27:11 PM
Action
Type
Old Value
New Value
Added
Reference
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174049.html [No Types Assigned]
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00037.html [No Types Assigned]
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00039.html [No Types Assigned]
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00040.html [No Types Assigned]
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00041.html [No Types Assigned]
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00043.html [No Types Assigned]
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00044.html [No Types Assigned]
Added
Reference
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00003.html [No Types Assigned]
Added
Reference
http://packetstormsecurity.com/files/134831/Grub2-Authentication-Bypass.html [No Types Assigned]
Added
Reference
http://rhn.redhat.com/errata/RHSA-2015-2623.html [No Types Assigned]
Added
Reference
http://seclists.org/fulldisclosure/2015/Dec/69 [No Types Assigned]
Added
Reference
http://www.debian.org/security/2015/dsa-3421 [No Types Assigned]
Added
Reference
http://www.securitytracker.com/id/1034422 [No Types Assigned]
Added
Reference
http://www.ubuntu.com/usn/USN-2836-1 [No Types Assigned]
Added
Reference
https://security.gentoo.org/glsa/201512-03 [No Types Assigned]
CVE Modified by MITRE 11/28/2016 2:46:30 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.securityfocus.com/bid/79358 [No Types Assigned]
CVE Modified by MITRE 10/14/2016 10:04:11 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
Modified Analysis by NIST 3/30/2016 2:14:01 PM
Action
Type
Old Value
New Value
Changed
Reference Type
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html No Types Assigned
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html Patch
CVE Modified by MITRE 1/21/2016 9:59:59 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
Modified Analysis by NIST 12/17/2015 12:23:13 PM
Action
Type
Old Value
New Value
Added
CVSS V2
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Added
CWE
CWE-264
Added
CPE Configuration
Configuration 1
OR
*cpe:2.3:a:gnu:grub2:1.98:*:*:*:*:*:*:*
*cpe:2.3:a:gnu:grub2:1.99:*:*:*:*:*:*:*
*cpe:2.3:a:gnu:grub2:2.00:*:*:*:*:*:*:*
*cpe:2.3:a:gnu:grub2:2.01:*:*:*:*:*:*:*
*cpe:2.3:a:gnu:grub2:2.02:*:*:*:*:*:*:*
Configuration 2
OR
*cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
Changed
Reference Type
http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html No Types Assigned
http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html Exploit
Initial CVE Analysis 12/17/2015 10:58:20 AM
Action
Type
Old Value
New Value
Quick Info
CVE Dictionary Entry: CVE-2015-8370 NVD
Published Date: 12/16/2015 NVD
Last Modified: 04/12/2025
Source: MITRE