Debian DLA-2381-1 : lua5.3 security update

Medium Nessus Plugin ID 140807

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VPR Score: 1.4


The remote Debian host is missing a security update.


A vulnerability was discovered in lua5.3, a simple, extensible, embeddable programming language whereby a a negation overflow and segmentation fault could be triggered in getlocal and setlocal, as demonstrated by getlocal(3,2^31).

For Debian 9 stretch, this problem has been fixed in version 5.3.3-1+deb9u1.

We recommend that you upgrade your lua5.3 packages.

For the detailed security status of lua5.3 please refer to its security tracker page at:

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Upgrade the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 140807

File Name: debian_DLA-2381.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/09/28

Updated: 2020/09/30

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 1.4

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:liblua5.3-0, p-cpe:/a:debian:debian_linux:liblua5.3-0-dbg, p-cpe:/a:debian:debian_linux:liblua5.3-dev, p-cpe:/a:debian:debian_linux:lua5.3, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/09/26

Vulnerability Publication Date: 2020/08/17

Reference Information

CVE: CVE-2020-24370