Information disclosure in Anchorfree Hotspot Shield
CVE-2018-6460
Hotspot Shield runs a webserver with a static IP address 127.0.0.1 and port 895. The web server uses JSONP and hosts sensitive information including configuration. User controlled input is not sufficiently filtered: an unauthenticated attacker can send a POST request to /status.js with the parameter func=$_APPLOG.Rfunc and extract sensitive information about the machine, including whether the user is connected to a VPN, to which VPN he/she is connected, and what is their real IP address.
Vulnerability class: Information Disclosure
EPSS: 0.110 (95.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Anchorfree Hotspot_shield
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
Frequently asked questions
- What is CVE-2018-6460?
- CVE-2018-6460 is a high-severity vulnerability in Anchorfree Hotspot Shield, classified under Information Disclosure. CVSS score: 7.5/10. Published 2018-01-31.
- How severe is CVE-2018-6460?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-6460 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.