Vulnerability identifier: #VU29092

Vulnerability risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-11899

CWE-ID: CWE-20

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
TCP/IP stack
Other software / Other software solutions

Vendor: Treck

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in IPv6 component. A remote attacker on the local network can pass specially crafted packet, trigger out-of-bounds read and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TCP/IP stack: All versions

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External links
http://ics-cert.us-cert.gov/advisories/icsa-20-168-01
http://treck.com/vulnerability-response-information/
http://kb.cert.org/vuls/id/257161

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.