openEuler 20.03 LTS SP4 update for lua



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-24370
CWE-ID CWE-191
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

lua-help
Operating systems & Components / Operating system package or component

lua-devel
Operating systems & Components / Operating system package or component

lua-debugsource
Operating systems & Components / Operating system package or component

lua-debuginfo
Operating systems & Components / Operating system package or component

lua
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Integer underflow

EUVDB-ID: #VU45992

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-24370

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

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).

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4

lua-help: before 5.3.5-5

lua-devel: before 5.3.5-5

lua-debugsource: before 5.3.5-5

lua-debuginfo: before 5.3.5-5

lua: before 5.3.5-5

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2169


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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