CVE-2020-14308

CVSS V2 Medium 4.4 CVSS V3 Medium 6.4
Description
In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.
Overview
  • CVE ID
  • CVE-2020-14308
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-07-29T20:15:12
  • Last Modified Date
  • 2022-04-18T15:22:28
Weakness Enumerations
CWE URL
CWE-190 http://cwe.mitre.org/data/definitions/190.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:* 1 OR 2.06
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.5
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1852009 Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/29/3 Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20200731-0008/ Third Party Advisory
https://usn.ubuntu.com/4432-1/ Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202104-05 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/2021/09/21/1 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-14308
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14308
History
Created Old Value New Value Data Type Notes
2022-05-10 15:42:17 Added to TrackCVE
2022-12-04 20:25:47 2020-07-29T20:15Z 2020-07-29T20:15:12 CVE Published Date updated
2022-12-04 20:25:47 2022-04-18T15:22:28 CVE Modified Date updated
2022-12-04 20:25:47 Analyzed Vulnerability Status updated