Quantum Secular Labs / Blog / Advisories
CVE-2017-6520: Bose Soundtouch 30: Information disclosure
CVE-2017-6520 is rated critical with a CVSS v3.0 base score of 9.1 and affects Bose Soundtouch 30. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
The Multicast DNS (mDNS) responder used in BOSE Soundtouch 30 inadvertently responds to IPv4 unicast queries with source addresses that are not link-local, which allows remote attackers to cause a denial of service (traffic amplification) or obtain potentially sensitive information via port-5353 UDP packets.
Severity breakdown
CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: None. No loss of integrity.
- Availability impact: High. Total loss of availability; the component can be shut down.
Affected products
- Bose Soundtouch 30: all versions listed by NVD