Out-of-bounds read in TCP/IP stack - CVE-2020-27336

 

Out-of-bounds read in TCP/IP stack - CVE-2020-27336

Published: December 22, 2020 / Updated: December 23, 2020


Vulnerability identifier: #VU49127
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27336
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

TCP/IP stack

How to mitigate CVE-2020-27336

Install updates from vendor's website.

TCP/IP stack - update to 6.0.1.68

External References

Related Security Bulletins