#VU49126 Out-of-bounds read in TCP/IP stack - CVE-2020-27338
Published: December 22, 2020 / Updated: December 23, 2020
Vulnerability identifier: #VU49126
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-27338
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
TCP/IP stack
TCP/IP stack
Software vendor:
Placeful Inc.
Placeful Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the DHCPv6 client component in Treck TCP/IP. A remote attacker can send specially crafted packets to the system, trigger an out-of-bounds read and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.