SB2025100348 - Multiple vulnerabilities in Suricata

Description

This security bulletin contains information about 4 vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2025-59150)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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

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

The vulnerability exists due to a NULL pointer dereference error in the "tls.subjectaltname" keyword. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

2) Incomplete Model of Endpoint Features (CVE-ID: CVE-2025-59147)

CWE-ID: CWE-437 - Incomplete Model of Endpoint Features

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

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to incomplete model of endpoint features. A remote attacker can send multiple SYN packets with different sequence numbers and cause detection and logging bypass.

3) NULL pointer dereference (CVE-ID: CVE-2025-59148)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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

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

The vulnerability exists due to a NULL pointer dereference error in the entropy keyword. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

4) Stack-based buffer overflow (CVE-ID: CVE-2025-59149)

CWE-ID: CWE-121 - Stack-based buffer overflow

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

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

The vulnerability exists due to a boundary error in the ldap.responses.attribute_type keyword. A local attacker can trigger stack-based buffer overflow and cause a denial of service condition on the target system.

Remediation

Install update from vendor's website.

References

• https://github.com/OISF/suricata/security/advisories/GHSA-mhv7-qfmj-m3f3
• https://github.com/OISF/suricata/security/advisories/GHSA-v8hv-6v7x-4c2r
• https://github.com/OISF/suricata/security/advisories/GHSA-5qf6-92xg-3rr3
• https://github.com/OISF/suricata/security/advisories/GHSA-vxcg-38x4-gj7j