SB2024112274 - openEuler 22.03 LTS SP4 update for busybox

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2023-42364)

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

The vulnerability exists due to a use-after-free error within the evaluate() function in awk.c. A remote attacker can trick the victim to pass a specially crafted awk pattern to the application and crash it.

2) Use-after-free (CVE-ID: CVE-2023-42365)

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

The vulnerability exists due to a use-after-free error within the copyvar() function in awk.c. A remote attacker can trick the victim to pass a specially crafted awk pattern to the application and crash it.

3) Heap-based buffer overflow (CVE-ID: CVE-2023-42366)

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.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2439