USN-7231-1: Tcpreplay vulnerabilities

28 January 2025

Tcpreplay could be made to crash if it received specially crafted input.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • tcpreplay - Tool to replay saved tcpdump files at arbitrary speeds

Details

It was discovered that Tcpreplay incorrectly handled memory when using the
tcprewrite utility. A remote attacker could possibly use this issue to
cause Tcpreplay to crash, resulting in a denial of service.
(CVE-2023-27783)

It was discovered that Tcpreplay incorrectly validated external input. A
remote attacker could possibly use this issue to cause Tcpreplay to crash,
resulting in a denial of service. (CVE-2023-27784, CVE-2023-27785,
CVE-2023-27786, CVE-2023-27787, CVE-2023-27788, CVE-2023-27789)

It was discovered that Tcpreplay incorrectly handled memory when using the
tcprewrite utility. An attacker could possibly use this issue to cause
Tcpreplay to crash, resulting in a denial of service. (CVE-2023-4256,
CVE-2023-43279)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 24.04
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

Join the discussion

Need help with your security needs?

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.

Talk to an expert to find out what would work best for you

Further reading