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Vulnerability of OpenBSD: buffer overflow via ripd

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via ripd of OpenBSD, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: OpenBSD.
Severity of this threat: 3/4.
Creation date: 20/12/2019.
Références of this weakness: VIGILANCE-VUL-31202.

Description of the vulnerability 

An attacker can trigger a buffer overflow via ripd of OpenBSD, in order to trigger a denial of service, and possibly to run code.
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This weakness note impacts software or systems such as OpenBSD.

Our Vigil@nce team determined that the severity of this threat note is important.

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 computer weakness.

Solutions for this threat 

OpenBSD: patch for ripd.
A patch is available:
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/027_ripd.patch.sig
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/016_ripd.patch.sig
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