CVE-2020-11899 Treck TCP/IP stack Out-of-Bounds Read
An out-of-bounds read in the Treck TCP/IP stack allows attackers to cause denial of service or disclose sensitive information via IPv6 packets.
- Exploited in the wild
- Since 3 Mar 2022
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-11899?
CVE-2020-11899 is a medium-severity memory corruption vulnerability in n/a, published on 17 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.
Weakness: CWE-125
Which versions are affected by CVE-2020-11899?
It affects 4 products.
Products include Dell Wyse 5030 Firmware, Dell Wyse 5050 All-in-One Firmware, Dell Wyse 7030 Firmware, Treck Tcp\/Ip.
How do I fix CVE-2020-11899?
No fix has been published for CVE-2020-11899 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 17 Mar 2022.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-11899 being exploited?
Yes. Attackers have exploited CVE-2020-11899 in the wild since at least 3 Mar 2022.
Sources
Also known as GHSA-6r3w-c7h6-wfhg.