openEuler 22.03 LTS SP3 update for busybox

1) Heap-based buffer overflow

EUVDB-ID: #VU93457

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-42366

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a boundary error within the next_token() function at awk.c. A remote attacker can trick the victim to pass a specially crafted file, 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 SP3

busybox-petitboot: before 1.34.1-22

busybox-help: before 1.34.1-22

busybox-debugsource: before 1.34.1-22

busybox-debuginfo: before 1.34.1-22

busybox: before 1.34.1-22

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2128

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.