Buffer overflow in Cisco SD-WAN - CVE-2019-1651
Published: January 25, 2019
Vulnerability identifier: #VU17226
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1651
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated attacker to gain elevated privileges on an affected device.
The vulnerability exists due to improper bounds checking by the vContainer. A remote authenticated attacker can send a malicious file to an affected vContainer instance, trigger a buffer overflow condition on the affected vContainer and cause the service to crash or execute arbitrary code as the root user.
Successful exploitation of the vulnerability may result in system compromise.
Affected software
Cisco SD-WAN
How to mitigate CVE-2019-1651
Update to version 18.4.0.
Cisco SD-WAN - update to 18.4.0