Vulnerability CVE-2022-0631

Vulnerability Name:

CVE-2022-0631 (CCN-220005)

Assigned:

2022-02-12

Published:

2022-02-12

Updated:

2022-02-25

Summary:

Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-122

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2022-0631

Source: XF
Type: UNKNOWN
mruby-cve20220631-bo(220005)

Source: CCN
Type: mruby GIT Repository
vm.c: packed arguments length may be zero for send method.

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299

Source: CONFIRM
Type: Exploit, Patch, Third Party Advisory
https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40

Source: CCN
Type: huntr Web site
Heap-based Buffer Overflow in mruby/mruby

Vulnerable Configuration:

Configuration 1:

cpe:/a:mruby:mruby:*:*:*:*:*:*:*:* (Version < 3.2)

Configuration CCN 1:

cpe:/a:mruby:mruby:3.1:*:*:*:*:ruby:*:*

Denotes that component is vulnerable

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