#VU15443 Information disclosure in WITTENSTEIN high integrity systems products - CVE-2018-16601

Vulnerability identifier: #VU15443

Vulnerability risk: Low

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-16601

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FreeRTOS
Operating systems & Components / Operating system
OpenRTOS
Operating systems & Components / Operating system
SafeRTOS
Operating systems & Components / Operating system

Vendor: Amazon Web Services
WITTENSTEIN high integrity systems

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to the function prvProcessIPPacket removes the IP options field of an Rx packet if it is present. A remote attacker can trigger memory leak and access arbitrary data.

Mitigation
Update the affected software to version 1.3.2.

Vulnerable software versions

FreeRTOS: 1.00 - 10.0.1

OpenRTOS: before 1.3.2

SafeRTOS: before 1.3.2

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External links
https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromi...

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.