Out-of-bounds Read Affecting suricata package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.58% (78th percentile)

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  • Snyk IDSNYK-DEBIAN9-SURICATA-469110
  • published25 Sept 2019
  • disclosed24 Sept 2019

Introduced: 24 Sep 2019

CVE-2019-16411  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for Debian:9 suricata.

NVD Description

Note: Versions mentioned in the description apply only to the upstream suricata package and not the suricata package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid IPv4Options, the function IPV4OptValidateTimestamp in decode-ipv4.c tries to access a memory region that is not allocated. There is a check for o->len < 5 (corresponding to 2 bytes of header and 3 bytes of data). Then, "flag = *(o->data + 3)" places one beyond the 3 bytes, because the code should have been "flag = *(o->data + 1)" instead.

CVSS Scores

version 3.1