SB2019031123 - Fedora 28 update for tcpflow
Published: March 11, 2019 Updated: April 24, 2025
Security Bulletin ID
SB2019031123
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) Out-of-bounds read (CVE-ID: CVE-2018-18409)
The vulnerability allows a remote attacker to gain access to perform a denial of service attack.
The vulnerability exists due to a boundary condition within the setbit() function in iptree.h in tcpflow. A remote attacker can pass specially crafted data to the application, trigger a stack-based buffer over-read and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.