Vulnerability Details : CVE-2018-6409
Potential exploit
An issue was discovered in Appnitro MachForm before 4.2.3. The module in charge of serving stored files gets the path from the database. Modifying the name of the file to serve on the corresponding ap_form table leads to a path traversal vulnerability via the download.php q parameter.
Vulnerability category: Directory traversal
Products affected by CVE-2018-6409
- cpe:2.3:a:machform:machform:4.2.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-6409
0.19%
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-2018-6409
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2018-6409
-
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-2018-6409
-
https://metalamin.github.io/MachForm-not-0-day-EN/
Ceci n’est pas un 0-Day (MachForm) - Metalamin BlogExploit;Third Party Advisory
-
https://www.exploit-db.com/exploits/44804/
MachForm < 4.2.3 - SQL Injection / Path Traversal / Upload BypassExploit;Third Party Advisory;VDB Entry
-
https://www.machform.com/blog-machform-423-security-release/
MachForm 4.2.3 Security Release | HTML Form Builder Online, PHP Form Creator - MachFormRelease Notes;Vendor Advisory
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