CVE-2001-1559

Published: Dec 31, 2001Modified: Apr 16, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

The uipc system calls (uipc_syscalls.c) in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial of service and trigger a null dereference.

Affected (2)

Products: Openbsd: Openbsd

Openbsd

1 product

Openbsd

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Openbsd Openbsd	Version 2.9
Openbsd Openbsd	Version 3.0

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (6)

http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.html

Source: cve@mitre.org

Broken LinkExploit

http://monkey.org/openbsd/archive/tech/0112/msg00015.html

Source: cve@mitre.org

Broken LinkExploit

http://www.iss.net/security_center/static/7690.php

Source: cve@mitre.org

Broken Link

http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.html

Source: af854a3a-2127-422b-91ae-364da2661108

Broken LinkExploit

http://monkey.org/openbsd/archive/tech/0112/msg00015.html

Source: af854a3a-2127-422b-91ae-364da2661108

Broken LinkExploit

http://www.iss.net/security_center/static/7690.php

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link

Timeline

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