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Vulnerability of OpenBSD: information disclosure via shmget IPC_STAT

Synthesis of the vulnerability 

A local attacker can read a memory fragment via shmget IPC_STAT of OpenBSD, in order to obtain sensitive information.
Impacted software: OpenBSD.
Severity of this computer vulnerability: 1/4.
Creation date: 10/07/2020.
Références of this announce: VIGILANCE-VUL-32788.

Description of the vulnerability 

A local attacker can read a memory fragment via shmget IPC_STAT of OpenBSD, in order to obtain sensitive information.
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This computer vulnerability impacts software or systems such as OpenBSD.

Our Vigil@nce team determined that the severity of this weakness bulletin is low.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this weakness.

Solutions for this threat 

OpenBSD: patch for shmget IPC_STAT.
A patch is available:
  https://www.openbsd.org/errata66.html
  https://www.openbsd.org/errata67.html
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