Home/CVE/In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field an
CVE

CVE-2017-9804

In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field an

In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL. NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.

HIGH · CVSS 7.5 EPSS 0.04618
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
apache strutsall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.apache.struts:struts2-core HIGH fixed in 2.3.34
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Sep 2017 · 05:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txtThird Party Advisory
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.htmlPatchThird Party Advisory
http://www.securityfocus.com/bid/100612Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039261Third Party AdvisoryVDB Entry
https://security.netapp.com/advisory/ntap-20180629-0001/
https://struts.apache.org/docs/s2-050.htmlPatchVendor Advisory
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