Double Free in TCP/IP stack - CVE-2020-11900
Published: June 17, 2020
Vulnerability identifier: #VU29093
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-11900
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in IPv4 tunneling component. A remote attacker can pass specially crafted packet to the application, trigger double free error and cause a denial of service condition on the target system.
Affected software
TCP/IP stack
PowerFlex rack
PowerFlex rack
How to mitigate CVE-2020-11900
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