The Hacker News — Cyber Security and Hacking News Website: truecaller

Security researchers have discovered a remotely exploitable vulnerability in Called ID app " Truecaller " that could expose personal details of Millions of its users. Truecaller is a popular service that claims to "search and identify any phone number," as well as helps users block incoming calls or SMSes from phone numbers categorized as spammers and telemarketers. The service has mobile apps for Android, iOS, Windows, Symbian devices and BlackBerry phones. The vulnerability, discovered by Cheetah Mobile Security Research Lab , affects Truecaller Android version of the app that has been downloaded more than 100 Million times. The actual problem resides in the way Truecaller identify users in its systems. While installation, Truecaller Android app asks users to enter their phone number, email address, and other personal details, which is verified by phone call or SMS message. After this, whenever users open the app, no login screen is ever

TrueCaller, a popular app built by a Swedish company and world's largest collaborative phone directory compromised by Syrian Electronic Army hackers. Truecaller was running an outdated version (3.5.1) of blogging software WordPress for its web interface and there are millions of Phonebook records available in their database that were reportedly stolen by hackers, as claimed on their twitter account. Syrian Electronic Army also claimed that the database contains million of access codes of Facebook, Twitter, Linkedin, Gmail Accounts of different users, that can be used to post update from compromised Accounts. In total, the hackers claimed to downloaded more than 7 databases fro Truecaller server of 450GB in size. At the time of reporting this news, Truecaller website is still under maintenance and index page saying, " We are doing some upgrades. Thank you for your patience ." SEA also posted a database screenshot on twitter, showing the phonebook l