Vulnerability CVE-2011-1920
Published: 2011-05-23   Modified: 2012-02-13

Description:
The make include files in NetBSD before 1.6.2, as used in pmake 1.111 and other products, allow local users to overwrite arbitrary files via a symlink attack on a /tmp/_depend##### temporary file, related to (1) bsd.lib.mk and (2) bsd.prog.mk.

Type:

CWE-59

 (Improper Link Resolution Before File Access ('Link Following'))

CVSS2 => (AV:L/AC:M/Au:N/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
4.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Netbsd -> Netbsd 
IHJI -> Pmake 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=705100
https://bugzilla.redhat.com/show_bug.cgi?id=705090
http://openwall.com/lists/oss-security/2011/05/16/8
http://openwall.com/lists/oss-security/2011/05/16/2
http://cvsweb.netbsd.org/bsdweb.cgi/src/share/mk/bsd.prog.mk.diff?r1=1.192&r2=1.193&f=h
http://cvsweb.netbsd.org/bsdweb.cgi/src/share/mk/bsd.lib.mk.diff?r1=1.239&r2=1.240&f=h
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626673
http://xforce.iss.net/xforce/xfdb/67495
http://www.securityfocus.com/bid/47878
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