CVE-2017-15377

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Summary

CVECVE-2017-15377
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-10-23 08:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionIn 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).

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openinfosecfoundation Suricata All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
detect: avoid needless recursive scanning · OISF/suricata@b9579fb · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
[SECURITY] [DLA 1603-1] suricata security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
Security #2231: Redundant content checks may cause Suricata DoS condition on a insignificant traffic rate - Suricata - Open Information Security Foundation af854a3a-2127-422b-91ae-364da2661108 redmine.openinfosecfoundation.org Vendor Advisory
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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