CVE-2023-40857
HIGHCVSS 8.8/10EPSS 0.87%
Last modified
CVE-2023-40857 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.
Description
Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Virustotal | Yara | 4.3.2 |
References
- https://github.com/VirusTotal/yara/issues/1945Exploit, Issue Tracking, Vendor Advisory
- https://github.com/VirusTotal/yara/issues/1945Exploit, Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-40857?
Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.
How severe is CVE-2023-40857?
CVE-2023-40857 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.
How do I fix CVE-2023-40857?
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-2023-40857?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST