Out-of-bounds Read in Virustotal Yara
CVE-2017-9465
The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) or obtain sensitive information from process memory via a crafted file that is mishandled in the yr_re_fast_exec function in libyara/re.c and the _yr_scan_match_callback function in libyara/scan.c.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.3% 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: 0.012 · change: -0.000
Affected products
- Virustotal Yara — versions 3.6.1
Weakness classification (CWE)
References
- github.com/VirusTotal/yara/issues/678 (Exploit, Third Party Advisory)
- github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-9465?
- CVE-2017-9465 is a high-severity vulnerability in Virustotal Yara, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2017-06-06.
- How severe is CVE-2017-9465?
- High severity. CVSS v3 base score is 7.1 out of 10.