CVE-2018-19975
UnknownEPSS 1.36%
Last modified
CVE-2018-19975 is a vulnerability of currently unknown severity. In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.
Description
In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Virustotal | Yara | 3.8.1 |
References
- https://bnbdr.github.io/posts/extracheese/Exploit, Third Party Advisory
- https://github.com/VirusTotal/yara/issues/999Exploit, Issue Tracking, Third Party Advisory
- https://github.com/bnbdr/swisscheese/Exploit, Third Party Advisory
- https://bnbdr.github.io/posts/extracheese/Exploit, Third Party Advisory
- https://github.com/VirusTotal/yara/issues/999Exploit, Issue Tracking, Third Party Advisory
- https://github.com/bnbdr/swisscheese/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-19975?
In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.
How severe is CVE-2018-19975?
Severity scoring for CVE-2018-19975 is pending analysis. The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.
How do I fix CVE-2018-19975?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-19975?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST