CVE-2017-9804
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 8.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 8.2% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 8.2% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Apache Struts 2.3.7
- Apache Struts 2.3.8
- Apache Struts 2.3.9
- Apache Struts 2.3.10
- Apache Struts 2.3.11
- Apache Struts 2.3.12
- Apache Struts 2.3.13
- Apache Struts 2.3.14
Attack profile CVSS 3.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-9804.md and follow it. Check whether this project is affected by CVE-2017-9804. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- https://struts.apache.org/docs/s2-050.html
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- https://struts.apache.org/docs/s2-050.html
References
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txt
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- http://www.securityfocus.com/bid/100612
- http://www.securitytracker.com/id/1039261
- https://security.netapp.com/advisory/ntap-20180629-0001/
- https://struts.apache.org/docs/s2-050.html
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txt
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- http://www.securityfocus.com/bid/100612
- http://www.securitytracker.com/id/1039261
- https://security.netapp.com/advisory/ntap-20180629-0001/
- https://struts.apache.org/docs/s2-050.html
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2