PT-2019-14667 · Open Information Security Foundation · Suricata

Published 2019-09-24 · Updated 2019-10-02 · CVE-2019-16411

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Suricata version 4.1.4

Description An issue was discovered where sending multiple IPv4 packets with invalid IPv4Options causes the function IPV4OptValidateTimestamp in decode-ipv4.c to access unallocated memory. This occurs due to an incorrect check and a misplaced pointer operation.

Recommendations For Suricata version 4.1.4, consider applying a patch to correct the IPV4OptValidateTimestamp function to properly handle IPv4Options, specifically by changing the line flag = *(o->data + 3) to flag = *(o->data + 1) to prevent out-of-bounds access.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2019-16411

Affected Products

Suricata

References · 10

• https://osv.dev/vulnerability/UBUNTU-CVE-2019-16411 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-16411 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-16411 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-16411 · Vendor Advisory
• https://suricata-ids.org/2019/09/24/suricata-4-1-5-released · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-16411 · Security Note
• https://cve.org/CVERecord?id=CVE-2019-16411 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-16411 · Vendor Advisory
• https://lists.openinfosecfoundation.org/pipermail/oisf-announce · Note
• https://code-intelligence.com/cve-2019-16411 · Note