CVE-2019-16411

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 v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://lists.openinfosecfoundation.org/pipermail/oisf-announce/	Third Party Advisory
https://suricata-ids.org/2019/09/24/suricata-4-1-5-released/	Release Notes Vendor Advisory
https://www.code-intelligence.com/cve-2019-16411

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Configurations

Configuration 1 (hide)

cpe:2.3:a:suricata-ids:suricata:4.1.4:*:*:*:*:*:*:*

Information

Published : 2019-09-24 13:15

Updated : 2019-10-02 07:15

NVD link : CVE-2019-16411

Mitre link : CVE-2019-16411

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

suricata-ids

suricata

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