CVE-2019-16256: SIMalliance Toolbox Browser Command Injection Vulnerability
Some Samsung devices include the SIMalliance Toolbox Browser (aka S@T Browser) on the UICC, which might allow remote attackers to retrieve location and IMEI information, or retrieve other data or execute certain commands, via SIM Toolkit (STK) instructions in an SMS message, aka Simjacker.
Other sources
SIMalliance Toolbox Browser contains an command injection vulnerability that could allow remote attackers to retrieve location and IMEI information or execute a range of other attacks by modifying the attack message.
— CISA
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2019-16256?
CVE-2019-16256 is considered a high-severity vulnerability as it allows remote attackers to potentially access sensitive information.
How do I fix CVE-2019-16256?
To mitigate CVE-2019-16256, users should update their Samsung devices to the latest firmware version provided by the manufacturer.
What devices are affected by CVE-2019-16256?
CVE-2019-16256 affects Samsung devices that include the SIMalliance Toolbox Browser on the UICC.
What kind of data can be accessed due to CVE-2019-16256?
CVE-2019-16256 allows attackers to retrieve location, IMEI information, and execute certain commands through SIM Toolkit instructions.
Are there any workarounds for CVE-2019-16256?
While the primary fix is to update the firmware, users can also disable SIM Toolkit services if possible to reduce risk until a patch is applied.