Quantum Secular Labs / Blog / Advisories
CVE-2018-6547: Plays.Tv: Improper Authentication
CVE-2018-6547 is rated critical with a CVSS v3.0 base score of 9.1 and affects Plays.Tv. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
plays_service.exe in the plays.tv service before 1.27.7.0, as distributed in AMD driver-installation packages and Gaming Evolved products, contains an HTTP message parsing function that takes a user-defined path and writes non-user controlled data as SYSTEM to the file when the extract_files parameter is used. This occurs without properly authenticating the user.
Severity breakdown
CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: None. No loss of confidentiality.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-287: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected products
- Plays.Tv: before 1.27.7.0