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Short Name

SSL:UTN-USERFIRST-HARDWARE

Severity

Critical

Recommended

No

Recommended Action

Drop

Category

SSL

Keywords

Untrusted Certificate (UTN-USERFirst-Hardware)

Release Date

2011/03/23

Update Number

1887

Supported Platforms

idp-4.0+, isg-3.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+

SSL: Untrusted Certificate (UTN-USERFirst-Hardware)


This signature detects SSL certificates issued by an untrusted source, UTN-USERFirst-Hardware. This is most commonly used to enhance the authenticity of a phishing attack, fooling the victim into thinking a fake site is valid. Accessing sites using these certificates instead of the valid issuer can result in a complete decryption of the SSL session by an attacker. Several popular websites, including Yahoo, Google, Gmail, MSN Live, Mozilla and Skype are affected.

References

  • URL: http://www.microsoft.com/technet/security/advisory/2524375.mspx

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