Vulnerability Name:

CVE-2022-0632 (CCN-220051)

Assigned:2021-02-14
Published:2021-02-14
Updated:2022-02-28
Summary:NULL Pointer Dereference in Homebrew mruby prior to 3.2.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.0 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-0632

Source: XF
Type: UNKNOWN
mruby-cve20220632-dos(220051)

Source: CCN
Type: mruby GIT Repository
mruby

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/mruby/mruby/commit/44f591aa8f7091e6ca6cb418e428ae6d4ceaf77d

Source: CONFIRM
Type: Exploit, Patch, Third Party Advisory
https://huntr.dev/bounties/3e5bb8f6-30fd-4553-86dd-761e9459ce1b

Source: CCN
Type: huntr Web site
NULL Pointer Dereference 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:*:*

  • * 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 -