Vulnerability Details : CVE-2017-17739
Potential exploit
The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has directory traversal via the /storage.html rp parameter, allowing an attacker to read or write to files.
Vulnerability category: Directory traversal
Products affected by CVE-2017-17739
- cpe:2.3:o:brightsign:4k242_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-17739
0.56%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-17739
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-17739
-
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-2017-17739
-
http://www.information-paradox.net/2017/12/brightsign-multiple-vulnerablities-cve.html
Information Paradox: BrightSign - Multiple Vulnerablities - CVE-2017-17737, 17738, 17739Issue Tracking;Third Party Advisory
-
https://www.exploit-db.com/exploits/43364/
BrightSign Digital Signage - Multiple VulnerablitiesExploit;Issue Tracking;Third Party Advisory;VDB Entry
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