Vulnerability identifier: #VU15441
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID:
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 prvTreatNBNS, just like prvParseDNSReply, doesn’t check if xDataLength is large enough to contain the parsed NBNS packet. A remote attacker can trigger memory leak in NBNS and access arbitrary data.
Mitigation
Update the affected software to version 1.3.2.
Vulnerable software versions
FreeRTOS: 1.00 - 10.0.1
OpenRTOS: All versions
SafeRTOS: All versions
External links
http://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromi...
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.