SB2023101931 - Multiple vulnerabilities in JustSystems products

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2023-34366)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error. A remote attacker can trick a victim to open a specially crafted file and perform a denial of service (DoS) attack.

2) Integer overflow (CVE-ID: CVE-2023-38127)

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

The vulnerability exists due to integer overflow. A remote attacker can trick a victim to open a specially crafted file, trigger integer overflow and cause a denial of service condition on the target system.

3) Type Confusion (CVE-ID: CVE-2023-38128)

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

The vulnerability exists due to a type confusion error. A remote attacker can trick a victim to open a specially crafted file, trigger a type confusion error and cause a denial of service condition on the target system.

4) Improper Validation of Array Index (CVE-ID: CVE-2023-35126)

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

The vulnerability exists due to improper validation of array index. A remote attacker can trick a victim to open a specially crafted file and cause a denial of service condition on the target system.

Remediation

Install update from vendor's website.

References

• https://jvn.jp/en/jp/JVN28846531/index.html
• https://www.justsystems.com/jp/corporate/info/js23002.html
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1758
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1808
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1825