CVE-2019-16410 Information

Description

An issue was discovered in Suricata 4.1.4. By sending multiple fragmented IPv4 packets the function Defrag4Reassemble in defrag.c tries to access a memory region that is not allocated because of a lack of header_len checking.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Reference

https://lists.openinfosecfoundation.org/pipermail/oisf-announce/ https://suricata-ids.org/2019/09/24/suricata-4-1-5-released/ https://www.code-intelligence.com/cve-2019-16410

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

9.1