The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has a bypass vulnerability. An attacker can use ..\/ to bypass the filter rule. Then, this attacker can exploit this vulnerability to delete or read any files on the server. It can also be used to determine whether a file exists.
References
Link Resource
http://b2evolution.net/downloads/6-8-5 Patch Vendor Advisory
http://www.securityfocus.com/bid/95700 Third Party Advisory VDB Entry
https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a Issue Tracking Patch Third Party Advisory
https://github.com/b2evolution/b2evolution/issues/36 Issue Tracking Patch Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2017-01-23T06:49:00

Updated: 2017-01-24T10:57:01

Reserved: 2017-01-19T00:00:00


Link: CVE-2017-5539

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2017-01-23T07:59:00.500

Modified: 2019-10-03T00:03:26.223


Link: CVE-2017-5539

JSON object: View

cve-icon Redhat Information

No data.

CWE