SB2019031122 - Fedora 30 update for tcpflow
Published: March 11, 2019 Updated: April 24, 2025
Security Bulletin ID
SB2019031122
CSH 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 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2018-18409)
CWE-ID: CWE-125 - Out-of-bounds read
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:Green
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.