8.8high

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…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 77%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.66% probability of exploitation in the next 30 days, higher than 77% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.08.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA3.08.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Hancom Hangul Word Processor in Thinkfree Office NEO Trial Word

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.