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Simjacker
Simjacker is a cellular software exploit for SIM Cards discovered by AdaptiveMobile Security. 29 countries are vulnerable according to ZDNet. The vulnerability has been exploited primarily in Mexico, but also Colombia and Peru, according to the Wall Street Journal, where it was used to track the location of mobile phone users without their knowledge. History The vulnerability was discovered and reported to the GSM Association through its Coordinated Vulnerability Disclosure process by Cathal Mc Daid of AdaptiveMobile Security in 2019. It was first reported publicly on 12th September 2019. A technical paper and presentation was made available at the VirusBulletin conference on 3rd October 2019. Technical information The attack works by exploiting a vulnerability in a UICC/SIM Card library called the S@T Browser. A specially formatted binary text message is sent to the victim handset, which contains a set of commands to be executed by the S@T Browser environment in the UIC ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SIM Card
file:SIM-Karte von Telefónica O2 Europe - Standard und Micro.jpg, A typical SIM card (mini-SIM with micro-SIM cutout) file:Sim card.png, A smart card taken from a Global System for Mobile Communications, GSM mobile phone file:Simkarte NFC SecureElement.jpg, T-Mobile nano-SIM card with NFC capabilities in the SIM tray of an iPhone 6s file:Tf sim both sides.png, A TracFone Wireless SIM card has no distinctive carrier markings and is only marked as a "SIM card" A SIM card (full form Subscriber Identity Module or Subscriber Identification Module) is an integrated circuit (IC) intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers). Technically the actual physical card is known as a universal integrated circuit card (UICC); this smart card is usually made of PVC with embedded contacts and semiconductors, with the S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
