Vulnerability CVE-2018-19976


Published: 2018-12-17

Description:
In YARA 3.8.1, bytecode in a specially crafted compiled rule is exposed to information about its environment, in libyara/exec.c. This is a consequence of the design of the YARA virtual machine.

Type:

CWE-200

(Information Exposure)

Vendor: Virustotal
Product: YARA 
Version: 3.8.1;

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None

 References:
https://bnbdr.github.io/posts/extracheese/
https://github.com/bnbdr/swisscheese/
https://github.com/VirusTotal/yara/issues/999

Related CVE
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