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Yara <= 3.8.1 Denial of Service (DoS) Vulnerability

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

4.3

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

Summary

Yara is prone to a denial of service (DoS) vulnerability.

Insight

Insight

The vulnerability exists within the object lookup functionality. A specially crafted binary file can cause a negative value to be read to satisfy an assert, resulting in Denial of Service. An attacker can create a malicious binary to trigger this vulnerability.

Affected Software

Affected Software

Yara through version 3.8.1.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 3.9.0.

Common Vulnerabilities and Exposures (CVE)