CVE-2022-27255: Input Validation
First published: Mon Aug 01 2022(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Realtek Ecos Rsdk Firmware | =1.5.7p1 | |
| Realtek eCos RSDK | ||
| Realtek Ecos Msdk Firmware | =4.9.4p1 | |
| Realtek Ecos Msdk |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2022-27255?
The severity of CVE-2022-27255 is critical with a CVSS score of 9.8.
What is the affected software for CVE-2022-27255?
The affected software for CVE-2022-27255 includes Realtek eCos RSDK Firmware 1.5.7p1 and Realtek eCos MSDK Firmware 4.9.4p1.
How does the vulnerability in CVE-2022-27255 allow remote code execution?
The vulnerability in CVE-2022-27255 allows remote code execution by exploiting a stack-based buffer overflow in the SIP ALG function that rewrites SDP data.
Is authentication required to exploit CVE-2022-27255?
No, authentication is not required to exploit CVE-2022-27255.
How can I fix CVE-2022-27255?
To fix CVE-2022-27255, it is recommended to apply the latest patches or updates provided by Realtek.
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/author
- agent/tags
- agent/event
- agent/references
- agent/type
- agent/description
- agent/softwarecombine
- agent/last-modified-date
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- vendor/realtek
- canonical/realtek ecos rsdk firmware
- version/realtek ecos rsdk firmware/1.5.7p1
- canonical/realtek ecos rsdk
- canonical/realtek ecos msdk firmware
- version/realtek ecos msdk firmware/4.9.4p1
- canonical/realtek ecos msdk