Description
Silverpeas 5.15 through 6.0.2 is affected by an authenticated Directory Traversal vulnerability that can be triggered during file uploads because core/webapi/upload/FileUploadData.java mishandles a StringUtil.java call. This vulnerability enables regular users to write arbitrary files on the underlying system with privileges of the user running the application. Especially, an attacker may leverage the vulnerability to write an executable JSP file in an exposed web directory to execute commands on the underlying system.
Remediation
References
https://github.com/Silverpeas/Silverpeas-Core/blob/d8c3bbb0695a4907db013401bd16c6527e2b4f41/core-web/src/main/java/org/silverpeas/core/webapi/upload/FileUploadData.java#L89
https://www.bishopfox.com/news/2019/01/silverpeas-5-15-to-6-0-2-path-traversal/
Related Vulnerabilities
CVE-2022-29078 Vulnerability in maven package org.webjars.npm:ejs
CVE-2022-25918 Vulnerability in npm package shescape
CVE-2021-3804 Vulnerability in npm package taro
CVE-2022-36537 Vulnerability in maven package org.zkoss.zk:zk
CVE-2018-11040 Vulnerability in maven package org.springframework:spring-web