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RubySecRUBY:SIMPLE_FORM-2019-16676

HistorySep 26, 2019 - 9:00 p.m.

simple_form Gem for Ruby Incorrect Access Control for forms based on user input

2019-09-2621:00:00

RubySec

github.com

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

JSON

Simple Form before 5.0 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.

This only happens for pages that build forms based on user input.

Affected configurations

Vulners

Node

rubysimple_formRange≤5.0

VendorProductVersionCPE
rubysimple_form*cpe:2.3:a:ruby:simple_form:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ruby	simple_form	*	cpe:2.3:a:ruby:simple_form::::::::

References

github.com/plataformatec/simple_form/security/advisories/GHSA-r74q-gxcg-73hx

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

JSON

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