PT-2018-15182 · Yara · Yara

Bnbdrop · Published 2018-12-17 · Updated 2026-03-09 · CVE-2018-19976

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions YARA version 3.8.1

Description The issue arises from the design of the YARA virtual machine, where bytecode in a specially crafted compiled rule can expose information about its environment. This occurs in the libyara/exec.c component.

Recommendations For YARA version 3.8.1, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2018-19976

USN-8080-1

Affected Products

Yara

References · 29

• 🔥 https://github.com/VirusTotal/yara/issues/999 · Exploit
• 🔥 https://github.com/bnbdr/swisscheese · Exploit
• 🔥 https://bnbdr.github.io/posts/extracheese · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-19976 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2018-19976 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8080-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-11328 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5924 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-12035 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3402 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8080-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-9304 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19975 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-19976 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-9438 · Vendor Advisory