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Vulnerability of tcpdump: denial of service via PPP Decapsulator

Synthesis of the vulnerability 

An attacker can trigger a fatal error via PPP Decapsulator of tcpdump, in order to trigger a denial of service.
Vulnerable products: Debian, Fedora, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES, tcpdump.
Severity of this weakness: 2/4.
Creation date: 05/11/2020.
Références of this bulletin: CVE-2020-8037, DLA-2444-1, FEDORA-2020-c5e78886d6, FEDORA-2020-fae2e1f2bc, openSUSE-SU-2020:1983-1, openSUSE-SU-2020:1986-1, SUSE-SU-2020:3358-1, SUSE-SU-2020:3360-1, VIGILANCE-VUL-33834.

Description of the vulnerability 

An attacker can trigger a fatal error via PPP Decapsulator of tcpdump, in order to trigger a denial of service.
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This threat alert impacts software or systems such as Debian, Fedora, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES, tcpdump.

Our Vigil@nce team determined that the severity of this computer vulnerability bulletin 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 weakness note.

Solutions for this threat 

tcpdump: patch for PPP Decapsulator.
A patch is indicated in information sources.

Debian 9: new tcpdump packages.
New packages are available:
  Debian 9: tcpdump 4.9.3-1~deb9u2

Fedora 32: new tcpdump packages.
New packages are available:
  Fedora 32: tcpdump 4.9.3-4.fc32

Fedora 33: new tcpdump packages.
New packages are available:
  Fedora 33: tcpdump 4.9.3-5.fc33

openSUSE Leap 15: new tcpdump packages.
New packages are available:
  openSUSE Leap 15.1: tcpdump 4.9.2-lp151.4.9.1
  openSUSE Leap 15.2: tcpdump 4.9.2-lp152.7.3.1

Oracle Solaris: patch for third party software of January 2021 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 12 SP5: new tcpdump packages.
New packages are available:
  SUSE LE 12 SP5: tcpdump 4.9.2-14.17.1

SUSE LE 15 SP1-2: new tcpdump packages.
New packages are available:
  SUSE LE 15 SP1: tcpdump 4.9.2-3.12.1
  SUSE LE 15 SP2: tcpdump 4.9.2-3.12.1
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