CVE-2016-4296
When opening a Hangul Hcell Document (.cell) and processing a record that uses the CSSValFormat object, Hancom Office 2014 will search for…
Published 9 y ago · modified 4 mo ago · JSON
Summary
When opening a Hangul Hcell Document (.cell) and processing a record that uses the CSSValFormat object, Hancom Office 2014 will search for an underscore ("_") character at the end of the string and write a null terminator after it. If the character is at the very end of the string, the application will mistakenly write the null-byte outside the bounds of its destination. This can result in heap corruption that can lead code execution under the context of the application
Exploit prediction (EPSS)
2.22% probability of exploitation in the next 30 days, higher than 83% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Hancom Hancom Office
Classification
- Weakness
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- talosintelligence.com /reports/TALOS-2016-0151/ · x_refsource_MISC, x_transferred
- securityfocus.com /bid/92327 · vdb-entry, x_refsource_BID, x_transferred
Sources
- CVE List: CVE-2016-4296
- NVD: CVE-2016-4296
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.