Security Experts:

Connect with us

Hi, what are you looking for?

SecurityWeekSecurityWeek

Cyber Insurance

Cybercriminals Already Targeting, Selling Leaked GO SMS Pro Data

Cybercriminals have been observed targeting a recently disclosed vulnerability in the GO SMS Pro messaging application to steal user data.

Cybercriminals have been observed targeting a recently disclosed vulnerability in the GO SMS Pro messaging application to steal user data.

The issue, Trustwave revealed a couple of weeks ago, is that users’ media messages are stored insecurely on a publicly accessible server, exposing them to unauthenticated attackers.

Whenever a user attempts to send a media file, Trustwave’s SpiderLabs security researchers discovered, the application would generate a URL that can be easily guessed and which does not require authentication to access the shared media.

Minor scripting can be used to target the unprotected media files and exfiltrate them, and Trustwave now says that threat actors are publicly sharing tools and scripts exploiting the bug.

“Several popular tools are updating daily and on their third or fourth revision. We’ve also seen underground forums sharing images downloaded from GO SMS servers directly,” Trustwave says.

Not all media can be linked to specific users, but some of the shared images and videos do include people’s faces, names, and other identifying characteristics, thus representing a major privacy breach.

Another issue that Trustwave underlined was the app developer’s unwillingness to cooperate with its researchers to address the security hole.

However, it appears that the developer did attempt to address the issue, an application version uploaded to Google Play on November 23 reveals. However, analysis of the app showed that a complete fix hasn’t been deployed yet.

The developer initially disabled the option to send media files using the app. Soon after, the capability was re-enabled, although the media did not appear to be delivered to the recipient.

“Despite these half fixes, we can confirm that older media used to verify the original vulnerability is still available. That includes quite a bit of sensitive data like driver’s licenses, health insurance account numbers, legal documents, and of course, pictures of a more ‘romantic’ nature,” Trustwave says.

SecurityWeek has once again attempted to contact GO SMS Pro’s developer for an official comment on the matter but received no reply as of yet.

Related: GO SMS Pro Exposes Messages of Millions of Users

Related: Photos of 6.8 Million Facebook Users Exposed by API Bug

Related: UK Printing Company Exposed Military Documents

Written By

Ionut Arghire is an international correspondent for SecurityWeek.

Click to comment

Daily Briefing Newsletter

Subscribe to the SecurityWeek Email Briefing to stay informed on the latest threats, trends, and technology, along with insightful columns from industry experts.

Expert Insights

Related Content

Cybercrime

Zendesk is informing customers about a data breach that started with an SMS phishing campaign targeting the company’s employees.

Cybercrime

The release of OpenAI’s ChatGPT in late 2022 has demonstrated the potential of AI for both good and bad.

Cybercrime

The FBI dismantled the network of the prolific Hive ransomware gang and seized infrastructure in Los Angeles that was used for the operation.

Cloud Security

VMware vRealize Log Insight vulnerability allows an unauthenticated attacker to take full control of a target system.

IoT Security

Lexmark warns of a remote code execution (RCE) vulnerability impacting over 120 printer models, for which PoC code has been published.

Cybercrime

A new study by McAfee and the Center for Strategic and International Studies (CSIS) named a staggering figure as the true annual cost of...

Mobile & Wireless

Apple rolled out iOS 16.3 and macOS Ventura 13.2 to cover serious security vulnerabilities.

Email Security

Microsoft is urging customers to install the latest Exchange Server updates and harden their environments to prevent malicious attacks.