Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Affecting libapache-poi-java package, versions <3.17-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN11-LIBAPACHEPOIJAVA-519332
- published24 Mar 2017
- disclosed24 Mar 2017
Introduced: 24 Mar 2017
CVE-2017-5644 (opens in a new tab)How to fix?
Upgrade Debian:11 libapache-poi-java to version 3.17-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libapache-poi-java package and not the libapache-poi-java package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-5644
- http://poi.apache.org/#20+March+2017+-+CVE-2017-5644+-+Possible+DOS+%28Denial+of+Service%29+in+Apache+POI+versions+prior+to+3.15
- https://www.oracle.com/security-alerts/cpuoct2020.html
- http://www.securityfocus.com/bid/96983
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-5644