Analysis of security flaw in access protocol of UMTS radio interface
Na Zheng · Computer Engineering and Applications Journal · 2011
Mutual authentication,signaling integrity protection and encryption are used in the UMTS(Universal Mobile Telecommunication System)to promote the security level of users'communication through radio interface,which makes traditional interception means used in the 2nd generation system ineffective.But by studying the protocol from 3GPP(3rd Generation Partner Project),the leaks of radio interface still exist.Based on analyzing the security fault in the protocol used in the radio interface of UMTS,a kind of Man-in-the-Middle attack which can be successfully verified in the mutual authentication and prevent the start of encryption algorithm is proposed.The feasibility of this kind of attack is analyzed.