Signature Detail
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Short Name |
SSL:AUDIT:RSA-EXPORT-CIPHER |
|---|---|
Severity |
Minor |
Recommended |
Yes |
Category |
SSL |
Keywords |
RSA Export Grade Cipher Suite |
Release Date |
2015/03/04 |
Update Number |
2472 |
Supported Platforms |
idp-4.0+, isg-3.4+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
SSL: RSA Export Grade Cipher Suite
This signature detects a SSL-CLIENT-HELLO request with 'export-grade' RSA cipher suites. Most 'modern' clients (e.g., web browsers) won't offer export grade ciphersuites as part of the negotiation process as they are considered as weak encryption.
Extended Description
Schannel (aka Secure Channel) in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly restrict TLS state transitions, which makes it easier for remote attackers to conduct cipher-downgrade attacks to EXPORT_RSA ciphers via crafted TLS traffic, related to the "FREAK" issue, a different vulnerability than CVE-2015-0204 and CVE-2015-1067.
Affected Products
- Microsoft windows_7 -
- Microsoft windows_8 -
- Microsoft windows_8.1 -
- Microsoft windows_rt -
- Microsoft windows_rt_8.1 -
- Microsoft windows_server_2003 -
- Microsoft windows_server_2008 -
- Microsoft windows_server_2008 r2
- Microsoft windows_server_2012 -
- Microsoft windows_server_2012 r2
- Microsoft windows_vista -
References
- CVE: CVE-2015-1637
- CVE: CVE-2015-0204