Vulnerability CVE-2012-2139
Published: 2012-07-18

Description:
Directory traversal vulnerability in lib/mail/network/delivery_methods/file_delivery.rb in the Mail gem before 2.4.3 for Ruby allows remote attackers to read arbitrary files via a .. (dot dot) in the to parameter.

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Rubygems -> Mail gem 

 References:
https://github.com/mikel/mail/commit/29aca25218e4c82991400eb9b0c933626aefc98f
https://bugzilla.redhat.com/show_bug.cgi?id=816352
https://bugzilla.novell.com/show_bug.cgi?id=759092
http://www.openwall.com/lists/oss-security/2012/04/26/1
http://www.openwall.com/lists/oss-security/2012/04/25/8
http://secunia.com/advisories/48970
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