Stack-based buffer overflow in NETGEAR products - CVE-2020-15636

 

Stack-based buffer overflow in NETGEAR products - CVE-2020-15636

Published: August 5, 2020


Vulnerability identifier: #VU34072
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-15636
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the "check_ra" service. A remote unauthenticated attacker can use a specially crafted "raePolicyVersion" in a "RAE_Policy.json" file, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

R6700
R6400
R7000
R7850
R7900
R8000
RS400
XR300

How to mitigate CVE-2020-15636

Install updates from vendor's website.

R6700 - update to 1.0.4.98
R6400 - update to 1.0.4.98
R7000 - update to 1.0.4.98
R7850 - update to 1.0.4.98
R7900 - update to 1.0.4.98
R8000 - update to 1.0.4.98
RS400 - update to 1.0.4.98
XR300 - update to 1.0.4.98

External References

Related Security Bulletins