critical9.8
CVE-2022-27255
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Realtek | Ecos Rsdk Firmware | Version 1.5.7p1 |
| Realtek | Ecos Msdk Firmware | Version 4.9.4p1 |