CVE-2001-1559 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Openbsd	Openbsd	2.9

Related Weaknesses (CWE)

CWE-476

References

http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.htmlBroken LinkExploit
http://monkey.org/openbsd/archive/tech/0112/msg00015.htmlBroken LinkExploit
http://www.iss.net/security_center/static/7690.phpBroken Link
http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.htmlBroken LinkExploit
http://monkey.org/openbsd/archive/tech/0112/msg00015.htmlBroken LinkExploit
http://www.iss.net/security_center/static/7690.phpBroken Link

FAQ

What is CVE-2001-1559?

CVE-2001-1559 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...

How severe is CVE-2001-1559?

CVE-2001-1559 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2001-1559?

Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openbsd.