USN-3955-1: tcpflow vulnerabilities
tcpflow vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
tcpflow could be made to crash or expose sensitive information over the network
if it opened a specially crafted file or received specially crafted network
traffic.
Software Description
- tcpflow – TCP flow recorder
Details
It was discovered that tcpflow incorrectly handled certain malformed network
packets. A remote attacker could send these packets to a target system, causing
tcpflow to crash or possibly disclose sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- tcpflow – 1.4.5+repack1-4ubuntu0.18.10.1
- tcpflow-nox – 1.4.5+repack1-4ubuntu0.18.10.1
- Ubuntu 18.04 LTS
- tcpflow – 1.4.5+repack1-4ubuntu0.18.04.1
- tcpflow-nox – 1.4.5+repack1-4ubuntu0.18.04.1
- Ubuntu 16.04 LTS
- tcpflow – 1.4.5+repack1-1ubuntu0.1
- tcpflow-nox – 1.4.5+repack1-1ubuntu0.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3955-1: tcpflow vulnerabilities
