Vulnerability CVE-2015-7541
Published: 2016-01-08   Modified: 2016-01-09

Description:
The initialize method in the Histogram class in lib/colorscore/histogram.rb in the colorscore gem before 0.0.5 for Ruby allows context-dependent attackers to execute arbitrary code via shell metacharacters in the (1) image_path, (2) colors, or (3) depth variable.

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Colorscore project -> Colorscore 

 References:
https://github.com/quadule/colorscore/commit/570b5e854cecddd44d2047c44126aed951b61718
http://www.openwall.com/lists/oss-security/2016/01/05/2
http://rubysec.com/advisories/CVE-2015-7541/
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