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Difference between revisions of "Mobile Top 10 2014-M6"

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The M6 category covers the various ways that insecure cryptography is used within mobile applications.
 
The M6 category covers the various ways that insecure cryptography is used within mobile applications.
 
   
 
   

Revision as of 07:16, 27 January 2014

Threat Agents Attack Vectors Security Weakness Technical Impacts Business Impacts
Application Specific Exploitability
EASY
Prevalence
COMMON
Detectability
EASY
Impact
SEVERE
Application / Business Specific
Threat Description Attack Vector Description Security Weakness Description Technical Impacts Business Impacts

The M6 category covers the various ways that insecure cryptography is used within mobile applications.

Insecure use of cryptography is common in most any application that uses encryption, and there are two mistakes in this area that lead to the most insecurity:

1. The Creation and Use of Custom Encryption Algorithms 2. Use of Insecure and/or Deprecated Algorithms 2. Poor Key Management

Creation and Use of Custom Encryption Protocols

There is no easier way to mishandle encryption--mobile or otherwise--than to try to create and use your own encryption algorithms or protocols.

Always use modern algorithms that are accepted as strong by the security community, and whenever possible leverage the state of the art encryption APIs within your mobile platform.

Use of Insecure and/or Deprecated Algorithms

Many cryptographic algorithms and protocols should not be used because they have been shown to have significant weaknesses or are otherwise insufficient for modern security requirements. These include:

  • RC2
  • MD4
  • MD5
  • SHA1

Poor Key Management

The best algorithms don't matter if you mishandle your keys. Many make the mistake of using the correct encryption algorithm, but implementing their own protocol for employing it. Some examples of problems here include:

  • Including the keys in the same attacker-readable directory as the encrypted content
  • Making the keys otherwise available to the attacker
  • Failing to use built-in encryption functionality

References

References