5.5med

CVE-2017-5644

Improper Restriction of Recursive Entity References in DTDs in Apache POI

Also known as GHSA-78vv-qj73-h9m5

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.6%
percentile 92%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

4.59% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD2.07.1AV:N/AC:M/Au:N/C:N/I:N/A:C
GitHub3.05.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

EcosystemPackageAffectedFixed in
mavenorg.apache.poi:poi
<3.15
3.15

Affected products

  • Apache Software Foundation Apache POI

Classification

Weakness
  • CWE-776 Improper Restriction of Recursive Entity References in DTDs

References

  • securityfocus.com /bid/96983 · vdb-entry, x_refsource_BID, x_transferred
  • oracle.com /security-alerts/cpuoct2020.html · x_refsource_MISC, x_transferred
  • poi.apache.org /#20+March+2017+-+CVE-2017-5644+-+Possible+DOS+%28Denial+of+Service%29+in+Apache+POI+versi · x_refsource_CONFIRM, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2017-5644 · advisory

Sources

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