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NVD Vulnerability Details :
CVE-2020-14311
Modified
More InfoOfficial Page
Source-secalert@redhat.com
View Known Exploited Vulnerability (KEV) details
Published At-31 Jul, 2020 | 22:15
Updated At-07 Nov, 2023 | 03:17

There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.0MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Secondary3.15.7MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
Primary2.03.6LOW
AV:L/AC:L/Au:N/C:N/I:P/A:P
Type: Primary
Version: 3.1
Base score: 6.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 5.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
Type: Primary
Version: 2.0
Base score: 3.6
Base severity: LOW
Vector:
AV:L/AC:L/Au:N/C:N/I:P/A:P
CPE Matches
GNU
gnu
>>grub2>>Versions before 2.06(exclusive)
cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>7.0
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux_eus>>8.1
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux_eus>>8.2
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux_server_aus>>8.2
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux_server_tus>>8.2
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
openSUSE
opensuse
>>leap>>15.1
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
openSUSE
opensuse
>>leap>>15.2
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Canonical Ltd.
canonical
>>ubuntu_linux>>14.04
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Canonical Ltd.
canonical
>>ubuntu_linux>>16.04
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Canonical Ltd.
canonical
>>ubuntu_linux>>18.04
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Canonical Ltd.
canonical
>>ubuntu_linux>>20.04
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Weaknesses
CWE IDTypeSource
CWE-122Primarysecalert@redhat.com
CWE-190Primarysecalert@redhat.com
CWE-190Secondarynvd@nist.gov
CWE ID: CWE-122
Type: Primary
Source: secalert@redhat.com
CWE ID: CWE-190
Type: Primary
Source: secalert@redhat.com
CWE ID: CWE-190
Type: Secondary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.htmlsecalert@redhat.com
Mailing List
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.htmlsecalert@redhat.com
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/17/2secalert@redhat.com
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/17/4secalert@redhat.com
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/21/1secalert@redhat.com
Mailing List
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311secalert@redhat.com
Issue Tracking
Third Party Advisory
https://security.gentoo.org/glsa/202104-05secalert@redhat.com
Third Party Advisory
https://usn.ubuntu.com/4432-1/secalert@redhat.com
Third Party Advisory
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html
Source: secalert@redhat.com
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html
Source: secalert@redhat.com
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2021/09/17/2
Source: secalert@redhat.com
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2021/09/17/4
Source: secalert@redhat.com
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2021/09/21/1
Source: secalert@redhat.com
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311
Source: secalert@redhat.com
Resource:
Issue Tracking
Third Party Advisory
Hyperlink: https://security.gentoo.org/glsa/202104-05
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://usn.ubuntu.com/4432-1/
Source: secalert@redhat.com
Resource:
Third Party Advisory
Change History
0Changes found
Details not found