Shulou(Shulou.com)05/31 Report--

In this issue, the editor will bring you an example analysis of XML external entity injection vulnerability CVE-2021-20453. The article is rich in content and analyzes and describes it from a professional point of view. I hope you can get something after reading this article.

Basic information

Type of vulnerability: injection

Hazard level: ultra-dangerous

Manufacturer: IBM

Brief introduction of vulnerabilities

IBM WebSphere Application Server is vulnerable to XML external entity injection (XXE) attacks when processing XML data. Remote attackers can exploit this vulnerability to disclose sensitive information or consume memory resources.

Affected product or system

WebSphere Application Server = 7. 0

WebSphere Application Server = 8.0

WebSphere Application Server = 8.5

WebSphere Application Server = 9.0

Solution

Repair scheme:

Currently, official patches have been released for the affected versions, and affected users are advised to update the official security patches in a timely manner.

The above is the example of XML external entity injection vulnerability CVE-2021-20453 shared by Xiaobian. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.