Vulnerability CVE-2013-4116
Published: 2014-04-22

Description:
lib/npm.js in Node Packaged Modules (npm) before 1.3.3 allows local users to overwrite arbitrary files via a symlink attack on temporary files with predictable names that are created when unpacking archives.

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
Npmjs -> Node packaged modules 

 References:
https://github.com/npm/npm/commit/f4d31693
https://github.com/npm/npm/issues/3635
https://bugzilla.redhat.com/show_bug.cgi?id=983917
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=715325
http://xforce.iss.net/xforce/xfdb/87141
http://www.securityfocus.com/bid/61083
http://www.openwall.com/lists/oss-security/2013/07/11/9
http://www.openwall.com/lists/oss-security/2013/07/10/17
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