Privilege escalation in Cisco SD-WAN - CVE-2019-1648

 

Privilege escalation in Cisco SD-WAN - CVE-2019-1648

Published: January 25, 2019


Vulnerability identifier: #VU17223
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1648
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local authenticated attacker to gain elevated privileges on an affected device.

The vulnerability exists due to a failure to properly validate certain parameters included within the group configuration. A local authenticated attacker can write a specially crafted file to the directory where the user group configuration is located in the underlying operating system and gain root-level privileges and take full control of the device.


Affected software

Cisco SD-WAN

How to mitigate CVE-2019-1648

Update to version 18.4.0.

Cisco SD-WAN - update to 18.4.0

External References

Related Security Bulletins