CVE-2019-10056
mediumpriority · track · 30EPSS 0.014 · 72 %ileEUUSEPSS · scored 2026-10-27
An issue was discovered in Suricata 4.1.3. The code mishandles the case of sending a network packet with the right type, such that the function DecodeEthernet in decode-ethernet.c is executed a second time. At this point, the algorithm cuts the first part of the packet and doesn't determine the current length. Specifically, if the packet is exactly 28 long, in the first iteration it subtracts 14 bytes. Then, it is working with a packet length of 14. At this point, the case distinction says it is a valid packet. After that it casts the packet, but this packet has no type, and the program crashes at the type case distinction.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
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references (7)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2019-10056cnnvd
- https://redmine.openinfosecfoundation.org/issues/2946cnnvd
- https://suricata-ids.org/2019/04/30/suricata-4-1-4-released/cnnvd
- https://redmine.openinfosecfoundation.org/issues/2946enisa_euvd
- https://suricata-ids.org/2019/04/30/suricata-4-1-4-released/enisa_euvd
- https://redmine.openinfosecfoundation.org/issues/2946ExploitIssue TrackingThird Party Advisorynvd
- https://suricata-ids.org/2019/04/30/suricata-4-1-4-released/Not ApplicableRelease NotesVendor Advisorynvd
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