==========================================================================
Ubuntu Security Notice USN-7231-1
January 28, 2025

tcpreplay vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

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

Software Description:
- 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)

Update instructions:

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

Ubuntu 24.04 LTS
  tcpreplay                       4.4.4-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  tcpreplay                       4.3.4-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  tcpreplay                       4.3.2-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  tcpreplay                       4.2.6-1ubuntu0.1~esm5
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  tcpreplay                       3.4.4-2+deb8u1ubuntu0.1~esm3
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7231-1
  CVE-2023-27783, CVE-2023-27784, CVE-2023-27785, CVE-2023-27786,
  CVE-2023-27787, CVE-2023-27788, CVE-2023-27789, CVE-2023-4256,
  CVE-2023-43279