Vulnerability CVE-2013-0162
Published: 2013-03-01

Description:
The diff_pp function in lib/gauntlet_rubyparser.rb in the ruby_parser gem 3.1.1 and earlier for Ruby allows local users to overwrite arbitrary files via a symlink attack on a temporary file with a predictable name in /tmp.

See advisories in our WLB2 database:
Topic
Author
Date
High
rubygem ruby_parser incorrect temporary file usage / Public Service Announcement
Michael Scherer
22.02.2013

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Ryan davis -> Ruby parser 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=892806
http://rhn.redhat.com/errata/RHSA-2013-0548.html
http://rhn.redhat.com/errata/RHSA-2013-0544.html
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