Denial of Service Vulnerability in Suricata Network Threat Detection by Open Information Security Foundation
CVE-2019-10056

7.5HIGH

Key Information:

Vendor

Suricata-ids

Status
Suricata
Vendor
CVE Published:
28 August 2019

What is CVE-2019-10056?

A vulnerability exists in Suricata version 4.1.3 that improperly processes network packets, causing the DecodeEthernet function to execute twice. This behavior leads to the algorithm incorrectly handling the packet size, particularly when a packet is precisely 28 bytes long. During the first iteration, 14 bytes are subtracted, resulting in a misinterpretation of the remaining data and ultimately causing a crash due to a lack of packet type during casting.

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References

https://suricata-ids.org/2019/04/30/suricata-4-1-4-released/
x_refsource_CONFIRM
https://redmine.openinfosecfoundation.org/issues/2946
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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