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Vulnerability Details : CVE-2001-1047

Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by (1) creating a pipe in one thread and causing another thread to set one of the file descriptors to NULL via a close, or (2) calling dup2 on a file descriptor in one process, then setting the descriptor to NULL via a close in another process that is created via rfork.
Publish Date : 2001-06-02 Last Update Date : 2009-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
1.2
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2001-1047

# Product Type Vendor Product Version Update Edition Language
1 OS Openbsd Openbsd 2.6 Version Details Vulnerabilities
2 OS Openbsd Openbsd 2.7 Version Details Vulnerabilities
3 OS Openbsd Openbsd 2.8 Version Details Vulnerabilities
4 OS Openbsd Openbsd 2.9 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openbsd Openbsd 4

- References For CVE-2001-1047

http://seclists.org/bugtraq/2001/Jun/0020.html
BUGTRAQ 20010602 Locally exploitable races in OpenBSD VFS
http://www.securityfocus.com/bid/2817
BID 2817 OpenBSD Dup2 VFS Race Condition Denial Of Service Vulnerability Release Date:2009-07-11
http://www.securityfocus.com/bid/2818
BID 2818 OpenBSD Pipe VFS Race Condition Denial Of Service Vulnerability Release Date:2009-07-11
http://xforce.iss.net/static/6661.php
XF openbsd-pipe-race-dos(6661)
http://xforce.iss.net/static/6660.php
XF openbsd-dup2-race-dos(6660)

- Metasploit Modules Related To CVE-2001-1047

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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