Vulnerability Details : CVE-2018-7539
On Appear TV XC5000 and XC5100 devices with firmware 3.26.217, it is possible to read OS files with a specially crafted HTTP request (such as GET /../../../../../../../../../../../../etc/passwd) to the web server (fuzzd/0.1.1) running the Maintenance Center on port TCP/8088. This can lead to full compromise of the device.
Vulnerability category: Directory traversal
Products affected by CVE-2018-7539
- cpe:2.3:o:appeartv:xc5000_firmware:3.26.217:*:*:*:*:*:*:*
- cpe:2.3:o:appeartv:xc5100_firmware:3.26.217:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-7539
3.50%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-7539
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:C/I:N/A:N |
10.0
|
6.9
|
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-2018-7539
-
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-2018-7539
-
http://seclists.org/fulldisclosure/2018/Apr/34
Full Disclosure: Re: CVE-2018-7539 Directory Traversal on Appear TV Maintenance centre 8088Exploit;Mitigation;Mailing List;Third Party Advisory
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