Input validation error in TCP/IP stack - CVE-2020-11902
Published: June 17, 2020
Vulnerability identifier: #VU29095
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-11902
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in IPv6 over IPv4 tunneling component. A remote attacker can send a specially crafted packet to the application and trigger out-of-bounds read, leading to information disclosure or denial of service condition.
Affected software
TCP/IP stack
PowerFlex rack
PowerFlex rack
How to mitigate CVE-2020-11902
Install updates from vendor's website.
TCP/IP stack - update to 6.0.1.66
PowerFlex rack - addressed in versions 3.3.8.2, 3.4.3.2, 3.5.3.2
PowerFlex rack - addressed in versions 3.3.8.2, 3.4.3.2, 3.5.3.2