PT-2018-15180 · Yara · Yara

Bnbdrop · Published 2018-12-17 · Updated 2026-03-09 · CVE-2018-19974

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 allows attackers to discover addresses in the real stack by reading uninitialized data from VM scratch memory in libyara/exec.c when bytecode in a specially crafted compiled rule is executed.

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

Use of Uninitialized Resource

Weakness Enumeration

CWE-908

Related Identifiers

CVE-2018-19974

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://osv.dev/vulnerability/CVE-2018-19974 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-19974 · 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://ubuntu.com/security/CVE-2017-9438 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19974 · Vendor Advisory