APP: Realtek eCos RSDK Remote Code Execution
This signature detects attempts to exploit a known vulnerability against Realtek eCos RSDK 1.5.7p1 and MSDK 4.9.4p1. A successful attack can lead to arbitrary code execution.
Extended 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.
Short Name
APP:REALTEK-ECOS-RCE
Severity
Major
Recommended
False
Recommended Action
Drop
Category
APP
Keywords
CVE-2022-27255 Code Execution RSDK Realtek Remote eCos
Release Date
09/12/2022
Supported Platforms
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vsrx-19.2
srx-19.3
srx-branch-12.3
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx-12.3
vmx-19.3
srx-12.3
Sigpack Version
3525
Port
UDP/0-52,54-66,70-122,124,136,140-160,163-388,390-635,637-65535
False Positive
Unknown