Vulnerability: Redundant Content Inspection in Suricata

CVE-2017-15377 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

In Suricata before 4.x, it was possible to trigger lots of redundant checks on the content of crafted network traffic with a certain signature, because of DetectEngineContentInspection in detect-engine-content-inspection.c. The search engine doesn't stop when it should after no match is found; instead, it stops only upon reaching inspection-recursion-limit (3000 by default).

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