SB2018060811 - Denial of service in Cisco Voice Operating System
Published: June 8, 2018
Security Bulletin ID
SB2018060811
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2017-6779)
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.
Remediation
Install update from vendor's website.