OpenBSD CVE-2017-1000372 Security Bypass Vulnerability

Bugtraq ID:	99172
Class:	Design Error
CVE:	CVE-2017-1000372
Remote:	Yes
Local:	Yes
Published:	Jun 19 2017 12:00AM
Updated:	Jun 19 2017 12:00AM
Credit:	Qualys Research Labs
Vulnerable:	OpenBSD OpenBSD 2.9 OpenBSD OpenBSD 2.8 OpenBSD OpenBSD 2.7 OpenBSD OpenBSD 2.6 OpenBSD OpenBSD 2.5 OpenBSD OpenBSD 2.4 OpenBSD OpenBSD 2.3 OpenBSD OpenBSD 2.2 OpenBSD OpenBSD 2.1 OpenBSD OpenBSD 2.0 OpenBSD Openbsd 6.1 OpenBSD Openbsd 6.0 OpenBSD Openbsd 5.9 OpenBSD OpenBSD 5.8 OpenBSD OpenBSD 5.5 OpenBSD OpenBSD 5.3 OpenBSD OpenBSD 5.2 OpenBSD OpenBSD 5.1 OpenBSD OpenBSD 5.0 OpenBSD OpenBSD 4.9 OpenBSD OpenBSD 4.8 OpenBSD OpenBSD 4.7 OpenBSD OpenBSD 4.6 OpenBSD OpenBSD 4.5 OpenBSD OpenBSD 4.5 OpenBSD OpenBSD 4.4 OpenBSD OpenBSD 4.3 OpenBSD OpenBSD 4.2 OpenBSD OpenBSD 4.1 OpenBSD OpenBSD 4.0 OpenBSD OpenBSD 3.9 OpenBSD OpenBSD 3.8 OpenBSD OpenBSD 3.7 OpenBSD OpenBSD 3.6 OpenBSD OpenBSD 3.5 OpenBSD OpenBSD 3.4 OpenBSD OpenBSD 3.3 OpenBSD OpenBSD 3.2 OpenBSD OpenBSD 3.1 OpenBSD OpenBSD 3.0
Not Vulnerable:

OpenBSD CVE-2017-1000372 Security Bypass Vulnerability

OpenBSD is prone to a security-bypass vulnerability.

Attackers can exploit this issue to bypass certain security restrictions and perform unauthorized actions.

OpenBSD 6.1 and prior versions are vulnerable.

OpenBSD CVE-2017-1000372 Security Bypass Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

OpenBSD CVE-2017-1000372 Security Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

OpenBSD CVE-2017-1000372 Security Bypass Vulnerability

References:

• Add a gap of 1MB between the stack and mmap spaces. (OpenBSD)
  
• OpenBSD Homepage (OpenBSD)
  
• Qualys Security Advisory (Qualys )