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)
EPSS: 0.090 (94.7th percentile) — read the EPSS interpretation.
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.
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
- security@apache.org (x_refsource_CONFIRM)
- security@apache.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@apache.org (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- security@apache.org (x_refsource_CONFIRM)
- security@apache.org (vdb-entry, x_refsource_SECTRACK)
- security@apache.org (mailing-list, x_refsource_MLIST)
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.