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Vulnerability of tcpreplay: buffer overflow via get_l2len

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via get_l2len() of tcpreplay, in order to trigger a denial of service, and possibly to run code.
Impacted products: Fedora.
Severity of this bulletin: 2/4.
Creation date: 29/10/2020.
Références of this threat: CVE-2020-24266, FEDORA-2020-0e036c907e, FEDORA-2020-c50d8b980b, FEDORA-2020-e45cf8ea43, VIGILANCE-VUL-33729.

Description of the vulnerability 

An attacker can trigger a buffer overflow via get_l2len() of tcpreplay, in order to trigger a denial of service, and possibly to run code.
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This computer threat note impacts software or systems such as Fedora.

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

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

An attacker with a expert ability can exploit this computer weakness note.

Solutions for this threat 

Fedora 31-33: new tcpreplay packages.
New packages are available:
  Fedora 31: tcpreplay 4.3.3-3.fc31
  Fedora 32: tcpreplay 4.3.3-3.fc32
  Fedora 33: tcpreplay 4.3.3-3.fc33
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