Vulnerability identifier: #VU49127

Vulnerability risk: Medium

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

CVE-ID: CVE-2020-27336

CWE-ID: CWE-125

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 attack..

The vulnerability exists due to a boundary condition within the IPv6 component in Treck TCP/IP. A remote attacker can send specially crafted packets to the system, trigger out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TCP/IP stack: 6.0.1.66 - 6.0.1.67

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External links
http://treck.com/vulnerability-response-information/
http://ics-cert.us-cert.gov/advisories/icsa-20-353-01

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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.