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Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

CVE-2020-14049

High
7.5/10

Summary

Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler. A malicious website could launch Viber with arbitrary parameters, forcing a victim to send an NTLM authentication request, and either relay the request or capture the hash for offline password cracking. NOTE: this issue exists because of an incomplete fix for CVE-2019-12569.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • NONE

CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

The software constructs a string for a command to executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.

References

Advisory Timeline

  • Published