CVE-2017-9438 - Vulnerability Details - OpenCVE

libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule (involving hex strings) that is mishandled in the _yr_re_emit function, a different vulnerability than CVE-2017-9304.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00614.

Key SSVC decision points have not yet been added.

Vendors	Products
Virustotal	Yara

Configuration 1 [-]

cpe:2.3:a:virustotal:yara:3.5.0:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2017-18371	libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule (involving hex strings) that is mishandled in the _yr_re_emit function, a different vulnerability than CVE-2017-9304.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7
https://github.com/VirusTotal/yara/issues/674
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-06-05T17:00:00

Updated: 2024-08-05T17:11:00.393Z

Reserved: 2017-06-05T00:00:00

Link: CVE-2017-9438

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2017-06-05T17:29:00.183

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-9438

Redhat

No data.

OpenCVE Enrichment

No data.

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