Vulnerability Details : CVE-2017-5480
Directory traversal vulnerability in inc/files/files.ctrl.php in b2evolution through 6.8.3 allows remote authenticated users to read or delete arbitrary files by leveraging back-office access to provide a .. (dot dot) in the fm_selected array parameter.
Vulnerability category: Directory traversal
Products affected by CVE-2017-5480
- cpe:2.3:a:b2evolution:b2evolution:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-5480
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-5480
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:N |
8.0
|
4.9
|
NIST | |
8.1
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
2.8
|
5.2
|
NIST |
CWE ids for CVE-2017-5480
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-5480
-
https://github.com/b2evolution/b2evolution/commit/26841d9c81f27ad23b2f6e4bd5eaec7f2f58dfe0
Fixed fm_selected parameter exploit · b2evolution/b2evolution@26841d9 · GitHub
-
https://github.com/b2evolution/b2evolution/issues/35
Delete or read any files on the server · Issue #35 · b2evolution/b2evolution · GitHub
-
http://www.securityfocus.com/bid/95454
b2evolution CVE-2017-5480 Directory Traversal Vulnerability
Jump to