Buffer overflow in Hancom Hangul Word Processor
CVE-2017-2819
An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version 9.6.1.4350) of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the context of the application. An attacker can entice a user to open up a document in order to trigger this vulnerability.
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: 0.017 (75.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Hancom Hangul Word Processor — versions 9.6.1.4350
- Hancom Hangul Word Processor In Thinkfree Office Neo Trial — versions 9.6.1.4902
- Hancom Thinkfree Office Neo — versions 9.6.1.4902
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2017-0320 (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-2819?
- CVE-2017-2819 is a high-severity vulnerability in Hancom Hangul Word Processor, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-05-24.
- How severe is CVE-2017-2819?
- High severity. CVSS v3 base score is 8.8 out of 10.