Zero-Day Advisory

Fortinet Discovers Uber User Information Leakage Vulnerability


Fortinet's FortiGuard Labs has discovered an Information Leakage vulnerability in Uber's website.

The website is the parent domain owned by Uber Technologies Inc. It serves as the primary method for users to access their Uber accounts.

The Information Leakage vulnerability is caused due to unsafe sanitation of users' Personally Identifiable Information(PII) in some invite/referral links, by Uber. Due to this unsafe sanitation, random users' phone-numbers/email-addresses were leaked to any user visiting the website and checking the response/source code using any browser.


This issue has now been fixed by Uber.


This vulnerability was discovered by Kushal Arvind Shah of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.