CVE-2023-4949
Memory Corruption Vulnerability in Grub-Legacy's XFS Implementation
Severity Score
6.7
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file system implementation.
Un atacante con acceso local a un sistema (ya sea a través de un disco o una unidad externa) puede presentar una partición XFS modificada a grub-legacy de tal manera que aproveche una corrupción de memoria en la implementación del sistema de archivos XFS de grub.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-09-13 CVE Reserved
- 2023-11-10 CVE Published
- 2023-11-11 EPSS Updated
- 2024-09-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- CWE-190: Integer Overflow or Wraparound
- CWE-787: Out-of-bounds Write
CAPEC
- CAPEC-92: Forced Integer Overflow
- CAPEC-100: Overflow Buffers
References (1)
URL | Tag | Source |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://xenbits.xenproject.org/xsa/advisory-443.html | 2023-11-20 |
URL | Date | SRC |
---|
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Gnu Search vendor "Gnu" | Grub Search vendor "Gnu" for product "Grub" | <= 0.97 Search vendor "Gnu" for product "Grub" and version " <= 0.97" | - |
Affected
| ||||||
Xen Search vendor "Xen" | Xen Search vendor "Xen" for product "Xen" | - | - |
Affected
|