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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (70.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.013 · change: +0.001
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/VirusTotal/yara/issues/891 (Patch, Third Party Advisory, Issue Tracking)
- bnbdr.github.io/posts/swisscheese/ (Exploit, Third Party Advisory)
- github.com/bnbdr/swisscheese (Exploit, Third Party Advisory)
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.