Vulnerability Name:

CVE-2022-0623 (CCN-219843)

Assigned:2022-02-08
Published:2022-02-08
Updated:2022-02-24
Summary:Out-of-bounds Read in Homebrew mruby prior to 3.2.
CVSS v3 Severity:9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
8.2 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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): None
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
5.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/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): Low
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-0623

Source: XF
Type: UNKNOWN
mruby-cve20220623-dos(219843)

Source: CCN
Type: mruby GIT Repository
mruby

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/mruby/mruby/commit/ff3a5ebed6ffbe3e70481531cfb969b497aa73ad

Source: CONFIRM
Type: Exploit, Patch, Third Party Advisory
https://huntr.dev/bounties/5b908ac7-d8f1-4fcd-9355-85df565f7580

Source: CCN
Type: huntr Web site
Out-of-bounds Read in mruby/mruby

Source: CCN
Type: mruby Web site
mruby

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mruby:mruby:*:*:*:*:*:*:*:* (Version < 3.2)

  • 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:3.0.0:rc:*:*:*: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 3.0.0 rc