9.1

CVE-2017-5539

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
B2evolution ≫ B2evolution Version6.8.4
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.14% 0.895
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.1 3.9 5.2
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
nvd@nist.gov 9 10 8.5
AV:N/AC:L/Au:N/C:C/I:P/A:P
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

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
Patch
Third Party Advisory
Issue Tracking
https://github.com/b2evolution/b2evolution/issues/36
Patch
Third Party Advisory
Issue Tracking