Stack-based Buffer Overflow in Realtek eCos RSDK and MSDK Products
CVE-2022-27255

9.8CRITICAL

Key Information:

Vendor

Realtek

Status
Ecos Rsdk Firmware
Vendor
CVE Published:
1 August 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 26%

What is CVE-2022-27255?

A vulnerability in Realtek's eCos RSDK and MSDK allows remote attackers to exploit a stack-based buffer overflow through crafted SIP packets containing malicious SDP data. This weakness could enable unauthorized code execution without requiring authentication, posing significant security risks for affected systems.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

cve-2022-27255
Created by infobyte

CVE-2022-27255-checker
Created by stryker-project

References

https://www.realtek.com/images/safe-report/Realtek_APRout...
x_refsource_MISC
https://forum.defcon.org/node/241835
x_refsource_MISC

EPSS Score

26% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.