CVE-2018-19975 - Vulnerability Details - OpenCVE

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Complete

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00236.

Key SSVC decision points have not yet been added.

Vendors	Products
Virustotal	Yara

Configuration 1 [-]

cpe:2.3:a:virustotal:yara:3.8.1:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2018-11642	In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bnbdr.github.io/posts/extracheese/
https://github.com/VirusTotal/yara/issues/999
https://github.com/bnbdr/swisscheese/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-12-17T18:00:00

Updated: 2024-08-05T11:51:17.938Z

Reserved: 2018-12-08T00:00:00

Link: CVE-2018-19975

Vulnrichment

No data.

NVD

Status : Modified

Published: 2018-12-17T19:29:01.437

Modified: 2024-11-21T03:58:55.360

Link: CVE-2018-19975

Redhat

No data.

OpenCVE Enrichment

No data.

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