High severity · published May 24, 2017
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
7.8
CVSS
1.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HW
Hangul Word Processor · Hancom
9.6.1.4350 · source: NVD
TO
Thinkfree Office Neo · Hancom
9.6.1.4902 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-2819
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-2819
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2017-0320
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