OSVDB ID: 20760

Title: Multiple BSD procfs /proc/[pid]/ setuid Binary Privileged Command Execution

Info

Disclosure

Jan 21, 2000

Discovery

Unknown

Dates

Exploit

Jan 21, 2000

Solution

Unknown

Description

Multiple BSD OSs contain a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue is triggered when a malicious user modifies the /proc/pid/mem interface via a modified file descriptor for stderr. This flaw may lead to a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to OpenBSD version 2.7 or higher, as it has been reported to fix this vulnerability. FreeBSD and NetBSD have released patches to address this vulnerability.

Products

FreeBSD Project	FreeBSD	1.x
		2.x
		3.0
		3.1
		3.2
		3.3
		3.4

NetBSD Foundation, Inc.	NetBSD	1.0
		1.1
		1.2
		1.2.1
		1.3
		1.3.x
		1.4
		1.4.x

OpenBSD	OpenBSD	2.0
		2.1
		2.2
		2.3
		2.4
		2.5
		2.6

References

CVE ID: 2000-0094 (see also: NVD)
ISS X-Force ID: 3995
Bugtraq ID: 940
Vendor Specific Solution URL: ftp.NetBSD.ORG/pub/NetBSD/misc/security/patches/20000130-procfs ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-00:02/procfs.patch
Vendor Specific Advisory URL: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:02.procfs.asc ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2000-001.txt.asc http://www.openbsd.org/errata26.html
Generic Exploit URL: http://downloads.securityfocus.com/vulnerabilities/exploits/exproc.c

Credit

FEAR Advisories - fear-advfear.com.pl -

Direct URL: http://osvdb.org/36218

Info

Disclosure

Discovery

Dates

Exploit

Solution

Description

Classification

Solution

Products

FreeBSD Project

FreeBSD

NetBSD Foundation, Inc.

NetBSD

OpenBSD

OpenBSD

References

Credit