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HistorySep 26, 2020 - 2:07 p.m.

[SECURITY] [DLA 2381-1] lua5.3 security update

2020-09-2614:07:04
lists.debian.org
38
debian 9 stretch
upgrade
security tracker
segmentation fault
programming language
cve-2020-24370
debian lts
pgp signature

CVSS2

5

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

AI Score

5.7

Confidence

High

EPSS

0.004

Percentile

74.5%


Debian LTS Advisory DLA-2381-1 [email protected]
https://www.debian.org/lts/security/ Roberto C. Sánchez
September 26, 2020 https://wiki.debian.org/LTS

Package : lua5.3
Version : 5.3.3-1+deb9u1
CVE ID : CVE-2020-24370

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:
https://security-tracker.debian.org/tracker/lua5.3

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
Attachment:
signature.asc
Description: PGP signature

CVSS2

5

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

AI Score

5.7

Confidence

High

EPSS

0.004

Percentile

74.5%