CVE-2017-5644
Improper Restriction of Recursive Entity References in DTDs in Apache POI
5.5
MEDIUM
CVSS 3.1
EPSS 0.66%
Description
Apache POI in versions prior to release 3.15 allows remote attackers to cause a denial of service (CPU consumption) via a specially crafted OOXML file, aka an XML Entity Expansion (XEE) attack.
How to fix CVE-2017-5644
To remediate CVE-2017-5644, upgrade the affected package to a fixed version below.
- Debian/libapache-poi-java—upgrade to 3.17-1 or later
- —upgrade to 3.15 or later
Is CVE-2017-5644 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.17-1
- from 0, < 3.15
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |