#VU29097 Integer overflow in TCP/IP stack - CVE-2020-11904

Vulnerability identifier: #VU29097

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-11904

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

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

Vendor: Placeful Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in memory allocation component. A remote attacker can send a specially crafted packet, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TCP/IP stack: before 6.0.1.66

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-168-01
https://treck.com/vulnerability-response-information/
https://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.