SB2018080710 - Denial of service in OpenBSD
Published: August 7, 2018
Security Bulletin ID
SB2018080710
CSH 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 vulnerability.
1) Improper initialization (CVE-ID: N/A)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: 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
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to incorrect initialization of the FPU. A remote attacker can trigger floating point exceptions when the affected software is running on Xen and cause the service to crash.
Remediation
Install update from vendor's website.