Vulnerability Name:

CVE-2022-0570 (CCN-219512)

Assigned:2022-02-09
Published:2022-02-09
Updated:2022-02-22
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)
8.8 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:P/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
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.6 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/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): High
Integrity (I): High
Availibility (A): High
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
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-122
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-0570

Source: XF
Type: UNKNOWN
mruby-cve20220570-bo(219512)

Source: CCN
Type: mruby GIT Repository
codegen.c: fix a bug in gen_values().

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/mruby/mruby/commit/38b164ace7d6ae1c367883a3d67d7f559783faad

Source: CONFIRM
Type: Exploit, Third Party Advisory
https://huntr.dev/bounties/65a7632e-f95b-4836-b1a7-9cb95e5124f1

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

Source: CCN
Type: mruby Web site
mruby

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mruby:mruby:*:*:*:*:*:*:*:* (Version <= 3.1)

  • Configuration CCN 1:
  • cpe:/a:mruby:mruby:1.2.0:*:*:*:*:ruby:*:*
  • OR cpe:/a:mruby:mruby:1.4.0:*:*:*:*:ruby:*:*
  • OR cpe:/a:mruby:mruby:1.4.1:*:*:*:*:ruby:*:*
  • OR cpe:/a:mruby:mruby:2.1.0:*:*:*:*:ruby:*:*
  • OR cpe:/a:mruby:mruby:2.1.2:rc:*:*:*:ruby:*:*
  • OR cpe:/a:mruby:mruby:2.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:mruby:mruby:3.0.0:-:*:*:*:ruby:*:*
  • OR cpe:/a:mruby:mruby:3.1:*:*:*:*:ruby:*:*

  • * Denotes that component is vulnerable
    BACK
    mruby mruby *
    mruby mruby 1.2.0
    mruby mruby 1.4.0
    mruby mruby 1.4.1
    mruby mruby 2.1.0
    mruby mruby 2.1.2 rc
    mruby mruby 2.1.2
    mruby mruby 3.0.0 -
    mruby mruby 3.1