SB2025072545 - openEuler 22.03 LTS SP3 update for busybox

Description

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal (CVE-ID: CVE-2023-39810)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the cpio command. A remote attacker can trick the victim to open a specially crafted archive and overwrite arbitrary files on the system.

2) Input validation error (CVE-ID: CVE-2025-46394)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insufficient validation of filenames inside a tar archive. A remote attacker can add a specially crafted file into an archive and trick the victim into overwriting critical files on the system, leading to a potential privilege escalation.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1885