Buffer overflow in Virustotal Yara

CVE-2018-12035

In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds write vulnerability in yr_execute_code in libyara/exec.c.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (66.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-12035?
CVE-2018-12035 is a high-severity vulnerability in Virustotal Yara, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-06-15.
How severe is CVE-2018-12035?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-12035 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.