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Vulnerability of rpki-client: denial of service via Manifest Validity Interval

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Manifest Validity Interval of rpki-client, in order to trigger a denial of service.
Vulnerable software: Fedora, OpenBSD.
Severity of this announce: 2/4.
Creation date: 10/11/2020.
Références of this computer vulnerability: FEDORA-2020-538e0ee110, FEDORA-2020-ce591c8f46, FEDORA-2020-f30b30c2d8, VIGILANCE-VUL-33865.

Description of the vulnerability 

An attacker can trigger a fatal error via Manifest Validity Interval of rpki-client, in order to trigger a denial of service.
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This threat impacts software or systems such as Fedora, OpenBSD.

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

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

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

Solutions for this threat 

Fedora 31-33: new rpki-client packages.
New packages are available:
  Fedora 31: rpki-client 6.8p1-1.fc31
  Fedora 32: rpki-client 6.8p1-1.fc32
  Fedora 33: rpki-client 6.8p1-1.fc33

OpenBSD: patch for rpki-client Manifest Validity Interval.
A patch is available:
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/029_rpki.patch.sig
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/006_rpki.patch.sig
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