20731 : NetBSD imake file.0 Target Insecure /tmp File Creation
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
3	481	over 6 years ago	over 3 years ago	0 times	90%

Timeline

Disclosure Date	Exploit Publish Date
2005-10-31	2005-10-31

Keywords

NetBSD Security Advisory 2005-009

Description

NetBSD contains a flaw that may allow a malicious local user to overwrite arbitrary files on the system. The issue is due to the imake program creating Makefiles in the /tmp directory insecurely. It is possible for a user to use a symlink style attack to overwrite arbitrary files, resulting in a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Race Condition
Impact: Loss of Integrity
Exploit: Exploit Public
Disclosure: OSVDB Verified

Solution

Upgrade to version 2.0.3 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

NetBSD Foundation, Inc.	NetBSD	1.6
		1.6.x
		2.0
		2.0.1
		2.0.2

References

Security Tracker: 1015132
Bugtraq ID: 15263
CVE ID: 2005-4691 (see also: NVD)
Related OSVDB ID: 20725 20726 20727 20728 20729 20730
Vendor Specific Advisory URL: ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2005-009.txt.asc http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html
Vendor URL: http://www.netbsd.org/
Other Advisory URL: http://www.uniras.gov.uk/niscc/docs/br-20051101-00969.html?lang=en
Keyword: NetBSD Security Advisory 2005-009

Credit

Jeremy C. Reed -

CVSSv2 Score

CVSSv2 Base Score = 2.1
Source: nvd.nist.gov | Generated: 2006-02-01 | Disagree?

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