Improper input validation in Cisco Voice Operating System - CVE-2017-6779
Published: June 6, 2018 / Updated: June 8, 2018
Vulnerability identifier: #VU13247
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6779
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Voice Operating System
Cisco Voice Operating System
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in local file management for certain system log files due to a certain system log file does not have a maximum size restriction. A remote unauthenticated attacker can send specially crafted remote connection requests, increase the size of a system log file so that it consumes most of the disk space and cause the applications functions could operate abnormally.
How to mitigate CVE-2017-6779
Install update from vendor's website.