Vulnerability Name:

CVE-2022-0240 (CCN-217446)

Assigned:2022-01-14
Published:2022-01-14
Updated:2022-01-24
Summary:mruby is vulnerable to NULL Pointer Dereference
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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): None
Integrity (I): None
Availibility (A): High
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/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): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
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-2022-0240

Source: XF
Type: UNKNOWN
mruby-cve20220240-dos(217446)

Source: CCN
Type: mruby GIT Repository
mruby

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/mruby/mruby/commit/31fa3304049fc406a201a72293cce140f0557dca

Source: CONFIRM
Type: Exploit, Third Party Advisory
https://huntr.dev/bounties/5857eced-aad9-417d-864e-0bdf17226cbb

Source: CCN
Type: huntr Web site
NULL Pointer Dereference in mruby/mruby

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

    • Configuration CCN 1:
  • cpe:/a:mruby:mruby:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    mruby mruby *
    mruby mruby *