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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The severity of CVE-2022-27255 is critical with a CVSS score of 9.8.
The affected software for CVE-2022-27255 includes Realtek eCos RSDK Firmware 1.5.7p1 and Realtek eCos MSDK Firmware 4.9.4p1.
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.
No, authentication is not required to exploit CVE-2022-27255.
To fix CVE-2022-27255, it is recommended to apply the latest patches or updates provided by Realtek.