Buffer overflow in Cisco SD-WAN - CVE-2019-1651

 

Buffer overflow in Cisco SD-WAN - CVE-2019-1651

Published: January 25, 2019


Vulnerability identifier: #VU17226
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2019-1651
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco SD-WAN

Detailed vulnerability description

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.


How to mitigate CVE-2019-1651

Update to version 18.4.0.

Sources