PT-2018-15181 · Yara · Yara

Bnbdrop · Published 2018-12-17 · Updated 2026-03-09 · CVE-2018-19975

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions YARA version 3.8.1

Description The issue allows bytecode in a specially crafted compiled rule to read data from any arbitrary address in memory. This is specifically related to OP COUNT, which can read a DWORD. The problem is located in libyara/exec.c.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2018-19975

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://ubuntu.com/security/notices/USN-8080-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-11328 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-19975 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-19975 · 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