Vulnerability Name:

CVE-2020-24369 (CCN-186870)

Assigned:2020-07-10
Published:2020-07-10
Updated:2020-08-24
Summary:ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading to a 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)
6.5 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: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): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/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): None
Integrity (I): None
Availibility (A): Low
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
5.0 Medium (CCN 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
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-24369

Source: XF
Type: UNKNOWN
lua-cve202024369-dos(186870)

Source: CCN
Type: Lua GIT Repository
line hooks in stripped functions

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3a

Source: MISC
Type: Exploit, Vendor Advisory
https://www.lua.org/bugs.html#5.4.0-12

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-24369

Vulnerable Configuration:Configuration 1:
  • cpe:/a:lua:lua:5.4.0:-:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:lua:lua:5.4.0:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:112675
    P
    		liblua5_4-5-32bit-5.4.3-4.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106155
    P
    		liblua5_4-5-32bit-5.4.3-4.2 on GA media (Moderate)
    2021-10-01
    BACK
    lua lua 5.4.0 -
    lua lua 5.4.0 -