Vulnerability CVE-2013-4457
Published: 2013-11-02   Modified: 2013-11-03

Description:
The Cocaine gem 0.4.0 through 0.5.2 for Ruby allows context-dependent attackers to execute arbitrary commands via a crafted has object, related to recursive variable interpolation.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Cocaine rubygem Recursive Interpolation Vulnerability
Jon Yurek
23.10.2013

Type:

CWE-78

 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') )

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Thoughtbot -> Cocaine 

 References:
https://github.com/thoughtbot/cocaine/blob/master/NEWS.md
http://www.openwall.com/lists/oss-security/2013/10/22/10
http://secunia.com/advisories/55365
http://osvdb.org/98835
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