PT-2017-9773 · Apache · Apache Struts

Published 2017-09-20 · Updated 2022-05-14 · CVE-2016-8738

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Apache Struts versions 2.5 through 2.5.5

Description The issue allows an attacker to prepare a special URL that can overload the server process when the built-in URLValidator is used to validate the URL. This can happen if an application allows entering a URL in a form field.

Recommendations For Apache Struts versions 2.5 through 2.5.5, consider disabling the built-in URLValidator until a patch is available to prevent potential server overload. Restrict access to form fields that allow URL entry to minimize the risk of exploitation.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2016-8738

GHSA-86VQ-8QHC-5RQW

Affected Products

Apache Struts

References · 8

• https://osv.dev/vulnerability/CVE-2016-8738 · Vendor Advisory
• https://struts.apache.org/docs/s2-044.html · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-86vq-8qhc-5rqw · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-8738 · Security Note
• https://github.com/apache/struts · Note
• https://github.com/apache/struts/commit/554b9dddb0fbd1e581ef577dd62a7c22955ad0f6 · Note
• https://security.netapp.com/advisory/ntap-20180629-0003 · Note
• http://securityfocus.com/bid/94657 · Note