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CVE-2018-6018: Tinder: Information disclosure

CVE-2018-6018 is rated critical with a CVSS v3.0 base score of 9.1 and affects Tinder. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.

Vulnerability description

Fixed sizes of HTTPS responses in Tinder iOS app and Tinder Android app allow an attacker to extract private sensitive information by sniffing network traffic.

Severity breakdown

CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

• 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: High. Total loss of integrity; data or system state can be fully modified.
• Availability impact: None. No effect on availability.

Underlying weakness

CWE-319: Cleartext Transmission of Sensitive Information

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

Affected products

• Tinder: all versions listed by NVD

References

• https://www.checkmarx.com/2018/01/23/tinder-someone-may-watching-swipe-2/
• https://www.wired.com/story/tinder-lack-of-encryption-lets-strangers-spy-on-swipes/