Description
In Apache Archiva 2.0.0 - 2.2.3, it is possible to write files to the archiva server at arbitrary locations by using the artifact upload mechanism. Existing files can be overwritten, if the archiva run user has appropriate permission on the filesystem for the target file.
Remediation
References
http://archiva.apache.org/security.html#CVE-2019-0214
http://packetstormsecurity.com/files/152684/Apache-Archiva-2.2.3-File-Write-Delete.html
http://www.openwall.com/lists/oss-security/2019/04/30/8
http://www.securityfocus.com/bid/108124
https://lists.apache.org/thread.html/18b670afc2f83034f47ebeb2f797c350fe60f1f2b33c95b95f467ef8%40%3Cannounce.apache.org%3E
https://lists.apache.org/thread.html/239349b6dd8f66cf87a70c287b03af451dea158b776d3dfc550b4f0e%40%3Cusers.maven.apache.org%3E
https://lists.apache.org/thread.html/5851cb0214f22ba681fb445870eeb6b01afd1fb614e45a22978d7dda%40%3Cusers.archiva.apache.org%3E
https://lists.apache.org/thread.html/ada0052409d8a4a8c4eb2c7fd6b9cd9423bc753d5fce87eb826662fb%40%3Cissues.archiva.apache.org%3E
https://seclists.org/bugtraq/2019/Apr/48