Vulnerability CVE-2019-16676
Published: 2019-09-30

Description:
Plataformatec Simple Form has Incorrect Access Control in file_method? in lib/simple_form/form_builder.rb, because a user-supplied string is invoked as a method call.

Type:

CWE-20

 (Improper Input Validation)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Plataformatec -> Simple form 

 References:
http://blog.plataformatec.com.br/2019/09/incorrect-access-control-in-simple-form-cve-2019-16676/
https://github.com/plataformatec/simple_form/commits/master
https://github.com/plataformatec/simple_form/security/advisories/GHSA-r74q-gxcg-73hx
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