7.8CVSSHIGH
Description
hwpapp.dll in Hangul Word Processor allows remote attackers to execute arbitrary code via a crafted heap spray, and by leveraging a "type confusion" via an HWPX file containing a crafted para text tag.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
http://www.securityfocus.com/bid/76694
securityfocus.com
https://www.fireeye.com/blog/threat-research/2015/09/zero-day_hwp_exploit.html
fireeye.com
http://www.hancom.com/cs_center/csDownload.do
hancom.com
and 1 more references View all →
Timeline
Published
Jul 25, 2017
Last Updated
May 13, 2026
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