Vulnerability CVE-2014-9489
Published: 2017-10-17

Description:
The gollum-grit_adapter Ruby gem dependency in gollum before 3.1.1 and the gollum-lib gem dependency in gollum-lib before 4.0.1 when the string "master" is in any of the wiki documents, allows remote authenticated users to execute arbitrary code via the -O or --open-files-in-pager flags.

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Gollum project -> Gollum 
Gollum project -> Gollum-lib 
Gollum project -> Grit adapter 

 References:
http://www.openwall.com/lists/oss-security/2015/01/03/19
http://www.securityfocus.com/bid/71499
https://github.com/gollum/gollum/issues/913
https://github.com/gollum/grit_adapter/commit/4520d973c81fecfebbeacd2ef2f1849d763951c7
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