SB2017030727 - Input validation error in OpenBSD
Published: March 7, 2017 Updated: August 8, 2020
Security Bulletin ID
SB2017030727
Severity
Medium
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) Input validation error (CVE-ID: CVE-2016-6244)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The sys_thrsigdivert function in kern/kern_sig.c in the OpenBSD kernel 5.9 allows remote attackers to cause a denial of service (panic) via a negative "ts.tv_sec" value.
Remediation
Install update from vendor's website.