CVE-2020-24371

2020-08-1717:15:13

Debian Security Bug Tracker

security-tracker.debian.org

lua 5.4.0

memory access violation

collectgarbage

lgc.c

cve-2020-24371

unix

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS

0.001

Percentile

46.4%

JSON

lgc.c in Lua 5.4.0 mishandles the interaction between barriers and the sweep phase, leading to a memory access violation involving collectgarbage.

OSVersionArchitecturePackageVersionFilename
Debian12alllua5.3< 5.3.6-2lua5.3_5.3.6-2_all.deb
Debian11alllua5.3< 5.3.3-1.1+deb11u1lua5.3_5.3.3-1.1+deb11u1_all.deb
Debian999alllua5.3< 5.3.6-2lua5.3_5.3.6-2_all.deb
Debian13alllua5.3< 5.3.6-2lua5.3_5.3.6-2_all.deb
Debian12alllua5.4< 5.4.1-1lua5.4_5.4.1-1_all.deb
Debian11alllua5.4< 5.4.1-1lua5.4_5.4.1-1_all.deb
Debian999alllua5.4< 5.4.1-1lua5.4_5.4.1-1_all.deb
Debian13alllua5.4< 5.4.1-1lua5.4_5.4.1-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	lua5.3	< 5.3.6-2	lua5.3_5.3.6-2_all.deb
Debian	11	all	lua5.3	< 5.3.3-1.1+deb11u1	lua5.3_5.3.3-1.1+deb11u1_all.deb
Debian	999	all	lua5.3	< 5.3.6-2	lua5.3_5.3.6-2_all.deb
Debian	13	all	lua5.3	< 5.3.6-2	lua5.3_5.3.6-2_all.deb
Debian	12	all	lua5.4	< 5.4.1-1	lua5.4_5.4.1-1_all.deb
Debian	11	all	lua5.4	< 5.4.1-1	lua5.4_5.4.1-1_all.deb
Debian	999	all	lua5.4	< 5.4.1-1	lua5.4_5.4.1-1_all.deb
Debian	13	all	lua5.4	< 5.4.1-1	lua5.4_5.4.1-1_all.deb