Buffer overflow in Advantech Webaccess
CVE-2017-12704
A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Advantech Webaccess
- Advantech Webaccess — versions Advantech WebAccess
Weakness classification (CWE)
References
- ics-cert.us-cert.gov/advisories/ICSA-17-241-02 (US Government Resource, Third Party Advisory)
- www.securityfocus.com/bid/100526 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-12704?
- CVE-2017-12704 is a high-severity vulnerability in Advantech Webaccess, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2017-08-30.
- How severe is CVE-2017-12704?
- High severity. CVSS v3 base score is 8.8 out of 10.