Vulnerability Details : CVE-2018-17785
In blynk-server in Blynk before 0.39.7, Directory Traversal exists via a ../ in a URI that has /static or /static/js at the beginning, as demonstrated by reading the /etc/passwd file.
Vulnerability category: Directory traversal
Products affected by CVE-2018-17785
- cpe:2.3:a:blynk:blynk-server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-17785
0.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-17785
| 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 | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-17785
-
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-2018-17785
-
https://github.com/blynkkk/blynk-server/issues/1256
Path operation vulnerability · Issue #1256 · blynkkk/blynk-server · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://github.com/blynkkk/blynk-server/releases/tag/v0.39.7
Release Fixes · blynkkk/blynk-server · GitHubVendor Advisory
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