openEuler 22.03 LTS update for lua

1) Heap-based buffer overflow

EUVDB-ID: #VU68952

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-33099

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the luaG_runerror component. A remote attacker can send specially crafted data to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS

lua-help: before 5.4.3-7

lua-debuginfo: before 5.4.3-7

lua-debugsource: before 5.4.3-7

lua-devel: before 5.4.3-7

lua: before 5.4.3-7

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
• cpe:2.3:a:openeuler:lua-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:lua-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:lua-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:lua-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:lua:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1764

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.