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CVE-2017-15377

UnknownEPSS 1.98%

Last modified

CVE-2017-15377 is a vulnerability of currently unknown severity. 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).. EPSS estimates a 1.98% chance of exploitation in the next 30 days.

Description

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).

Metrics

EPSS Probability
1.98%

78.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
OpeninfosecfoundationSuricata<= 3.2.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-15377?
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).
How severe is CVE-2017-15377?
Severity scoring for CVE-2017-15377 is pending analysis. The EPSS model estimates a 1.98% probability of exploitation in the next 30 days.
How do I fix CVE-2017-15377?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-15377?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST