Improper input validation in Apache Struts
CVE-2017-7672
If an application allows enter an 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. Solution is to upgrade to Apache Struts version 2.5.12.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.098 (95.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.098 · newest: 0.098 · change: 0.000
Affected products
- Apache Struts — versions 2.5, 2.5.1, 2.5.2
- Apache Software Foundation Struts — versions 2.5 to 2.5.10.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- www.securityfocus.com/bid/99563 (VDB Entry, Third Party Advisory, vdb-entry)
- struts.apache.org/docs/s2-047.html (Mitigation, Vendor Advisory)
- security.netapp.com/advisory/ntap-20180706-0002/
- www.securitytracker.com/id/1039114 (vdb-entry)
- lists.apache.org/thread.html/3795c4dd46d9ec75f4a6eb9eca11c11edd3e796c6c1fd7b17b… (mailing-list)
Frequently asked questions
- What is CVE-2017-7672?
- CVE-2017-7672 is a medium-severity vulnerability in Apache Struts, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2017-07-13.
- How severe is CVE-2017-7672?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2017-7672 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.