CVE-2022-27255
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
2
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In Realtek eCos RSDK 1.5.7p1 and MSDK 4.9.4p1, the SIP ALG function that rewrites SDP data has a stack-based buffer overflow. This allows an attacker to remotely execute code without authentication via a crafted SIP packet that contains malicious SDP data.
En Realtek eCos RSDK versión 1.5.7p1 y MSDK versión 4.9.4p1, la función SIP ALG que reescribe los datos SDP presenta un desbordamiento del búfer en la región stack de la memoria. Esto permite a un atacante ejecutar código de forma remota sin autenticación por medio de un paquete SIP diseñado que contenga datos SDP maliciosos
*Credits:
N/A
CVSS Scores
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:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-03-20 CVE Reserved
- 2022-08-01 CVE Published
- 2022-08-29 First Exploit
- 2024-08-03 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-20: Improper Input Validation
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://forum.defcon.org/node/241835 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://github.com/stryker-project/CVE-2022-27255-checker | 2022-08-29 | |
| https://github.com/infobyte/cve-2022-27255 | 2024-11-13 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf | 2022-09-30 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Realtek Search vendor "Realtek" | Ecos Rsdk Firmware Search vendor "Realtek" for product "Ecos Rsdk Firmware" | 1.5.7p1 Search vendor "Realtek" for product "Ecos Rsdk Firmware" and version "1.5.7p1" | - |
Affected
| in | Realtek Search vendor "Realtek" | Ecos Rsdk Search vendor "Realtek" for product "Ecos Rsdk" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Ecos Msdk Firmware Search vendor "Realtek" for product "Ecos Msdk Firmware" | 4.9.4p1 Search vendor "Realtek" for product "Ecos Msdk Firmware" and version "4.9.4p1" | - |
Affected
| in | Realtek Search vendor "Realtek" | Ecos Msdk Search vendor "Realtek" for product "Ecos Msdk" | - | - |
Safe
|