The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity
Low
AC
The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required
None
PR
The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
User Interaction
None
UI
The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges
Scope
Unchanged
S
An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality
None
C
There is no impact on the confidentiality of the system; the attacker does not gain the ability to read any data.
Integrity
None
I
There is no impact on the integrity of the system; the attacker does not gain the ability to modify any files or information on the target system.
Availability
High
A
There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.
The Apache Struts group is pleased to announce that Struts 2.3.16.1 is
available as a "General Availability" release.The GA designation is
our highest quality grade.
Apache Struts 2 is an elegant, extensible framework for creating
enterprise-ready Java web applications. The framework is designed to
streamline the full development cycle, from building, to deploying, to
maintaining applications over time.
This release includes important security fixes:
- S2-020 - ClassLoader manipulation via request parameters
- upgraded Commons FileUpload library to prevent DoS attacks
* http://struts.apache.org/release/2.3.x/docs/s2-020.html
All developers are strongly advised to update existing Struts 2
applications to Struts 2.3.16.1
Struts 2.3.16.1 is available in a full distribution, or as separate
library, source, example and documentation distributions, from the
releases page.
* http://struts.apache.org/download.cgi#struts23161
The release is also available from the central Maven repository under
Group ID "org.apache.struts".
The 2.3.x series of the Apache Struts framework has a minimum
requirement of the following specification versions:
* Java Servlet 2.4 and JavaServer Pages (JSP) 2.0
* Java 2 Standard Platform Edition (J2SE) 5
The release notes are available online at:
* http://struts.apache.org/release/2.3.x/docs/version-notes-23161.html
Should any issues arise with your use of any version of the Struts
framework, please post your comments to the user list, and, if
appropriate, file a tracking ticket.appropriate, file a tracking
ticket:
* https://issues.apache.org/jira/browse/WW
- The Apache Struts group.
Regards
--
Lukasz
+ 48 606 323 122 http://www.lenart.org.pl/
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