CVE-2020-14308

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-14308
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.

6.4 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.4 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html 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/2021/09/17/2 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
https://bugzilla.redhat.com/show_bug.cgi?id=1852009 Issue Tracking 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://usn.ubuntu.com/4432-1/ Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
History

18 Apr 2022, 15:22

Type Values Removed Values Added
CPE cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
References (SUSE) http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html - (SUSE) http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html - Mailing List, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/09/17/2 - (MLIST) http://www.openwall.com/lists/oss-security/2021/09/17/2 - Mailing List, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/09/17/4 - (MLIST) http://www.openwall.com/lists/oss-security/2021/09/17/4 - Mailing List, Third Party Advisory
References (SUSE) http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html - (SUSE) http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html - Mailing List, Third Party Advisory
References (GENTOO) https://security.gentoo.org/glsa/202104-05 - (GENTOO) https://security.gentoo.org/glsa/202104-05 - Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/09/21/1 - (MLIST) http://www.openwall.com/lists/oss-security/2021/09/21/1 - Mailing List, Third Party Advisory

21 Sep 2021, 12:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/09/21/1 -

17 Sep 2021, 18:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/09/17/4 -

17 Sep 2021, 09:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/09/17/2 -
Information

Published : 2020-07-29 20:15

Updated : 2024-02-04 21:00

NVD link : CVE-2020-14308

Mitre link : CVE-2020-14308

CVE.ORG link : CVE-2020-14308

JSON object : View

Products Affected

gnu

  • grub2

opensuse

  • leap
CWE
CWE-190

Integer Overflow or Wraparound