Heap Buffer Overflow in Realtek Jungle SDK WiFi Simple Config Server
CVE-2021-35392

7.5HIGH

Key Information:

Vendor

Realtek

Status
Jungle Sdk
Vendor
CVE Published:
16 August 2021

What is CVE-2021-35392?

The Realtek Jungle SDK versions up to v3.4.14B are susceptible to a heap buffer overflow through its WiFi Simple Config server, which processes UPnP and SSDP protocols. The vulnerability arises from improper handling of SSDP NOTIFY messages that are crafted from M-SEARCH messages' ST headers, potentially allowing attackers to exploit the server. This issue highlights the importance of rigorous input validation and the need for robust security measures to protect IoT devices utilizing the affected SDK.

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References

https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en
x_refsource_MISC
https://www.realtek.com/images/safe-report/Realtek_APRout...
x_refsource_MISC
https://www.iot-inspector.com/blog/advisory-multiple-issu...
x_refsource_MISC

EPSS Score

71% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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