PT-2018-18143 · Appear Tv · Appear Tv Xc5100+1

Karl W · Published 2018-04-17 · Updated 2018-05-23 · CVE-2018-7539

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Appear TV XC5000 and XC5100 devices with firmware 3.26.217

Description The issue allows an attacker to read OS files by sending 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 potentially lead to full compromise of the device.

Recommendations For Appear TV XC5000 and XC5100 devices with firmware 3.26.217, consider restricting access to the Maintenance Center on port TCP/8088 as a temporary workaround until a patch is available. Avoid using the web server to access sensitive OS files until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2018-7539

Affected Products

Appear Tv Xc5000

Appear Tv Xc5100

References · 3

• 🔥 http://seclists.org/fulldisclosure/2018/Apr/34 · Exploit
• https://osv.dev/vulnerability/CVE-2018-7539 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-7539 · Security Note