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RubySecRUBY:MRUBY-2022-1934

HistoryMay 30, 2022 - 9:00 p.m.

Use-After-Free in function hash_new_from_values in mruby/mruby

2022-05-3021:00:00

RubySec

huntr.dev

use-after-free

hash_new_from_values

mruby/mruby

github

repository

software

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

JSON

Use After Free in GitHub repository mruby/mruby prior to 3.2.

Affected configurations

Vulners

Node

rubymrubyRange3.2.0–3.2.0

rubymrubyRange≤3.2.0

VendorProductVersionCPE
rubymruby*cpe:2.3:a:ruby:mruby:*:*:*:*:*:*:*:*

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

References

huntr.dev/bounties/99e6df06-b9f7-4c53-a722-6bb89fbfb51f

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

JSON

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