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RubySecRUBY:MRUBY-2022-0570

HistoryFeb 13, 2022 - 9:00 p.m.

Heap-based Buffer Overflow in mruby/mruby

2022-02-1321:00:00

RubySec

huntr.dev

buffer overflow

heap-based

homebrew

mruby

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

EPSS

0.002

Percentile

61.8%

JSON

Heap-based Buffer Overflow in Homebrew 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/65a7632e-f95b-4836-b1a7-9cb95e5124f1

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

EPSS

0.002

Percentile

61.8%

JSON

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