Vulnerability identifier: #VU29093

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11900

CWE-ID: CWE-415

Exploitation vector: 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 a boundary error in IPv4 tunneling component. A remote attacker can pass specially crafted packet to the application, trigger double free error and cause a denial of service condition on the target system.

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 Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.