Vulnerabilities > CVE-2001-1559 - NULL Pointer Dereference vulnerability in Openbsd 2.9/3.0
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 2 |
Common Weakness Enumeration (CWE)
Exploit-Db
| description | OpenBSD 2.x/3.0 User Mode Return Value Denial Of Service Vulnerability. CVE-2001-1559. Dos exploit for openbsd platform |
| id | EDB-ID:21167 |
| last seen | 2016-02-02 |
| modified | 2001-12-03 |
| published | 2001-12-03 |
| reporter | Marco Peereboom |
| source | https://www.exploit-db.com/download/21167/ |
| title | OpenBSD 2.x/3.0 - User Mode Return Value Denial of Service Vulnerability |