CVE-2020-24370

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).

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b	Patch Third Party Advisory
http://lua-users.org/lists/lua-l/2020-07/msg00324.html	Exploit Mailing List Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:lua:lua:5.4.0:-:*:*:*:*:*:*

Information

Published : 2020-08-17 17:15

Updated : 2020-09-26 16:15

NVD link : CVE-2020-24370

Mitre link : CVE-2020-24370

JSON object : View

Products Affected

lua

lua

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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