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
EPSS: 0.017 (74.3th percentile) — read the EPSS interpretation.
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.
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
- talos-cna@cisco.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
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.