CVE-2022-27255
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductRealtek Ecos Rsdk Firmware
PublishedAug 1, 2022
First seenAug 1, 2022
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| realtek ecos_rsdk_firmware | 1.5.7p1 | — |
| realtek ecos_msdk_firmware | 4.9.4p1 | — |
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