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CVE-2020-24370

Good to know:

Date: August 16, 2020

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).

Language: LUA

Severity Score

5.3

Related Resources (12)

Url: https://security-tracker.debian.org/tracker/CVE-2020-24370

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-24370

Url: https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html

Url: http://lua-users.org/lists/lua-l/2020-07/msg00324.html

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/

Url: https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b

Url: https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/

Url: https://access.redhat.com/security/cve/CVE-2020-24370

Url: https://www.mend.io/vulnerability-database/CVE-2020-24370

Severity Score

5.3

Weakness Type (CWE)

Integer Underflow (Wrap or Wraparound)

CWE-191

CVSS v3.1

Base Score:	5.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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