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Vulnerability of Tcpreplay: NULL pointer dereference via get_ipv6_l4proto

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via get_ipv6_l4proto() of Tcpreplay, in order to trigger a denial of service.
Vulnerable systems: Fedora.
Severity of this threat: 2/4.
Creation date: 25/03/2019.
Références of this weakness: CVE-2019-8377, FEDORA-2019-a9c08d4b40, FEDORA-2019-e40253f67e, FEDORA-2020-256ac53cc7, FEDORA-2020-f47830961a, VIGILANCE-VUL-28832.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via get_ipv6_l4proto() of Tcpreplay, in order to trigger a denial of service.
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This cybersecurity note impacts software or systems such as Fedora.

Our Vigil@nce team determined that the severity of this computer weakness announce is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this cybersecurity vulnerability.

Solutions for this threat 

Fedora 31: new tcpreplay packages.
New packages are available:
  Fedora 31: tcpreplay 4.3.3-1.fc31

Fedora 32: new tcpreplay packages.
New packages are available:
  Fedora 32: tcpreplay 4.3.3-1.fc32

Fedora: new tcpreplay packages.
New packages are available:
  Fedora 28: tcpreplay 4.3.2-1.fc28
  Fedora 29: tcpreplay 4.3.2-1.fc29

Wind River Linux: solution (21/05/2019).
The solution is indicated in information sources.
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