SB2018072615 - Denial of service in Nagios
Published: July 26, 2018
Security Bulletin ID
SB2018072615
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Null pointer dereference (CVE-ID: CVE-2018-13441)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists in qh_help due to an error when handling malicious input. A local attacker can send a specially crafted payload to the listening UNIX socket, trigger NULL pointer dereference and cause the service to crash.
Remediation
Install update from vendor's website.