CVE-2023-21640
Buffer Copy Without Checking Size of Input in Linux
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track*
*SSVC
Descriptions
Memory corruption in Linux when the file upload API is called with parameters having large buffer.
*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
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track*
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-12-07 CVE Reserved
- 2023-07-04 CVE Published
- 2024-11-26 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-787: Out-of-bounds Write
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.qualcomm.com/company/product-security/bulletins/july-2023-bulletin | 2024-04-12 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Qualcomm Search vendor "Qualcomm" | Fastconnect 6900 Firmware Search vendor "Qualcomm" for product "Fastconnect 6900 Firmware" | - | - |
Affected
| in | Qualcomm Search vendor "Qualcomm" | Fastconnect 6900 Search vendor "Qualcomm" for product "Fastconnect 6900" | - | - |
Safe
|
| Qualcomm Search vendor "Qualcomm" | Fastconnect 7800 Firmware Search vendor "Qualcomm" for product "Fastconnect 7800 Firmware" | - | - |
Affected
| in | Qualcomm Search vendor "Qualcomm" | Fastconnect 7800 Search vendor "Qualcomm" for product "Fastconnect 7800" | - | - |
Safe
|
| Qualcomm Search vendor "Qualcomm" | Snapdragon 8 Gen 1 Firmware Search vendor "Qualcomm" for product "Snapdragon 8 Gen 1 Firmware" | - | - |
Affected
| in | Qualcomm Search vendor "Qualcomm" | Snapdragon 8 Gen 1 Search vendor "Qualcomm" for product "Snapdragon 8 Gen 1" | - | - |
Safe
|
| Qualcomm Search vendor "Qualcomm" | Wcd9380 Firmware Search vendor "Qualcomm" for product "Wcd9380 Firmware" | - | - |
Affected
| in | Qualcomm Search vendor "Qualcomm" | Wcd9380 Search vendor "Qualcomm" for product "Wcd9380" | - | - |
Safe
|
| Qualcomm Search vendor "Qualcomm" | Wsa8830 Firmware Search vendor "Qualcomm" for product "Wsa8830 Firmware" | - | - |
Affected
| in | Qualcomm Search vendor "Qualcomm" | Wsa8830 Search vendor "Qualcomm" for product "Wsa8830" | - | - |
Safe
|
| Qualcomm Search vendor "Qualcomm" | Wsa8835 Firmware Search vendor "Qualcomm" for product "Wsa8835 Firmware" | - | - |
Affected
| in | Qualcomm Search vendor "Qualcomm" | Wsa8835 Search vendor "Qualcomm" for product "Wsa8835" | - | - |
Safe
|