PRIOn knowledge basePRION:CVE-2023-4693Design/Logic Flaw
4.6 Medium
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.7 Medium
AI Score
Confidence
High
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
19.7%
An out-of-bounds read flaw was found on grub2’s NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.
| CPE | Name | Operator | Version |
|---|---|---|---|
| grub2 | lt | 2.12 | |
| enterprise_linux | eq | 8.0 | |
| enterprise_linux | eq | 9.0 |
References
access.redhat.com/security/cve/CVE-2023-4693
bugzilla.redhat.com/show_bug.cgi?id=2238343
dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
seclists.org/oss-sec/2023/q4/37
security.gentoo.org/glsa/202311-14
security.netapp.com/advisory/ntap-20231208-0002/
Related
4.6 Medium
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.7 Medium
AI Score
Confidence
High
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
19.7%