PenTest/nmap
1
0
Fork 0
mirror of https://github.com/nmap/nmap.git synced 2025-12-07 13:11:28 +00:00
Code Issues Projects Releases Wiki Activity

Deprecate SHA-1 certs in ssl-enum-ciphers. Closes #370

Browse Source
This commit is contained in:
dmiller
2016-05-02 13:55:17 +00:00
parent b341915722
commit fb6d2a5567
1 changed files with 219 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

251
scripts/ssl-enum-ciphers.nse
View File

@@ -48,82 +48,266 @@ and therefore is quite noisy.
-- PORT STATE SERVICE REASON
-- 443/tcp open https syn-ack
-- | ssl-enum-ciphers:
-- | SSLv3:
-- | ciphers:
-- | TLS_RSA_WITH_RC4_128_MD5 (rsa 2048) - A
-- | TLS_RSA_WITH_RC4_128_SHA (rsa 2048) - A
-- | TLS_RSA_WITH_3DES_EDE_CBC_SHA (rsa 2048) - C
-- | compressors:
-- | NULL
-- | cipher preference: server
-- | TLSv1.0:
-- | ciphers:
-- | TLS_RSA_WITH_RC4_128_MD5 (rsa 2048) - A
-- | TLS_RSA_WITH_RC4_128_SHA (rsa 2048) - A
-- | TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA (secp256r1) - A
-- | TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA (secp256r1) - A
-- | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (secp256r1) - A
-- | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (secp256r1) - A
-- | TLS_RSA_WITH_AES_128_CBC_SHA (rsa 2048) - A
-- | TLS_RSA_WITH_AES_256_CBC_SHA (rsa 2048) - A
-- | TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA (secp256r1) - C
-- | TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA (secp256r1) - C
-- | TLS_RSA_WITH_3DES_EDE_CBC_SHA (rsa 2048) - C
-- | TLS_DHE_RSA_WITH_AES_256_CBC_SHA (dh 256) - A
-- | TLS_DHE_RSA_WITH_AES_128_CBC_SHA (dh 256) - A
-- | TLS_ECDHE_ECDSA_WITH_RC4_128_SHA (secp256r1) - C
-- | TLS_ECDHE_RSA_WITH_RC4_128_SHA (secp256r1) - C
-- | TLS_RSA_WITH_RC4_128_SHA (rsa 2048) - C
-- | TLS_RSA_WITH_RC4_128_MD5 (rsa 2048) - C
-- | compressors:
-- | NULL
-- | cipher preference: server
-- | warnings:
-- | Broken cipher RC4 is deprecated by RFC 7465
-- | Ciphersuite uses MD5 for message integrity
-- | Weak certificate signature: SHA1
-- | TLSv1.1:
-- | ciphers:
-- | TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA (secp256r1) - A
-- | TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA (secp256r1) - A
-- | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (secp256r1) - A
-- | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (secp256r1) - A
-- | TLS_RSA_WITH_AES_128_CBC_SHA (rsa 2048) - A
-- | TLS_RSA_WITH_AES_256_CBC_SHA (rsa 2048) - A
-- | TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA (secp256r1) - C
-- | TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA (secp256r1) - C
-- | TLS_RSA_WITH_3DES_EDE_CBC_SHA (rsa 2048) - C
-- | TLS_ECDHE_ECDSA_WITH_RC4_128_SHA (secp256r1) - C
-- | TLS_ECDHE_RSA_WITH_RC4_128_SHA (secp256r1) - C
-- | TLS_RSA_WITH_RC4_128_SHA (rsa 2048) - C
-- | TLS_RSA_WITH_RC4_128_MD5 (rsa 2048) - C
-- | compressors:
-- | NULL
-- | cipher preference: server
-- | warnings:
-- | Broken cipher RC4 is deprecated by RFC 7465
-- | Ciphersuite uses MD5 for message integrity
-- | Weak certificate signature: SHA1
-- | TLSv1.2:
-- | ciphers:
-- | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (secp256r1) - A
-- | TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (secp256r1) - A
-- | TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA (secp256r1) - A
-- | TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA (secp256r1) - A
-- | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (secp256r1) - A
-- | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (secp256r1) - A
-- | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (secp256r1) - A
-- | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (secp256r1) - A
-- | TLS_RSA_WITH_AES_128_GCM_SHA256 (rsa 2048) - A
-- | TLS_RSA_WITH_AES_256_GCM_SHA384 (rsa 2048) - A
-- | TLS_RSA_WITH_AES_128_CBC_SHA (rsa 2048) - A
-- | TLS_RSA_WITH_AES_256_CBC_SHA (rsa 2048) - A
-- | TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA (secp256r1) - C
-- | TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA (secp256r1) - C
-- | TLS_RSA_WITH_3DES_EDE_CBC_SHA (rsa 2048) - C
-- | TLS_ECDHE_ECDSA_WITH_RC4_128_SHA (secp256r1) - C
-- | TLS_ECDHE_RSA_WITH_RC4_128_SHA (secp256r1) - C
-- | TLS_RSA_WITH_RC4_128_SHA (rsa 2048) - C
-- | TLS_RSA_WITH_RC4_128_MD5 (rsa 2048) - C
-- | compressors:
-- | NULL
-- | cipher preference: server
-- | warnings:
-- | Broken cipher RC4 is deprecated by RFC 7465
-- | Ciphersuite uses MD5 for message integrity
-- |_ least strength: C
--
-- @xmloutput
-- <table key="SSLv3">
-- <table key="TLSv1.1">
-- <table key="ciphers">
-- <table>
-- <elem key="name">TLS_RSA_WITH_RC4_128_MD5</elem>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- <elem key="kex_info">rsa 2048</elem>
-- </table>
-- <table>
-- <elem key="name">TLS_RSA_WITH_RC4_128_SHA</elem>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- <elem key="kex_info">rsa 2048</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_AES_128_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_AES_256_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_3DES_EDE_CBC_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_ECDSA_WITH_RC4_128_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_RC4_128_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_RC4_128_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_RC4_128_MD5</elem>
-- <elem key="strength">C</elem>
-- </table>
-- </table>
-- <table key="compressors">
-- <elem>NULL</elem>
-- </table>
-- <elem key="cipher preference">server</elem>
-- <table key="warnings">
-- <elem>Broken cipher RC4 is deprecated by RFC 7465</elem>
-- <elem>Ciphersuite uses MD5 for message integrity</elem>
-- <elem>Weak certificate signature: SHA1</elem>
-- </table>
-- </table>
-- <table key="TLSv1.0">
-- <table key="TLSv1.2">
-- <table key="ciphers">
-- <table>
-- <elem key="name">TLS_RSA_WITH_RC4_128_MD5</elem>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">
-- TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256</elem>
-- <elem key="strength">A</elem>
-- <elem key="kex_info">rsa 2048</elem>
-- </table>
-- <table>
-- <elem key="name">TLS_RSA_WITH_RC4_128_SHA</elem>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">
-- TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384</elem>
-- <elem key="strength">A</elem>
-- <elem key="kex_info">rsa 2048</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_AES_128_GCM_SHA256</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_AES_256_GCM_SHA384</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_AES_128_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_AES_256_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_3DES_EDE_CBC_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_ECDSA_WITH_RC4_128_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">secp256r1</elem>
-- <elem key="name">TLS_ECDHE_RSA_WITH_RC4_128_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_RC4_128_SHA</elem>
-- <elem key="strength">C</elem>
-- </table>
-- <table>
-- <elem key="name">TLS_DHE_RSA_WITH_AES_256_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- <elem key="kex_info">dh 256</elem>
-- </table>
-- <table>
-- <elem key="name">TLS_DHE_RSA_WITH_AES_128_CBC_SHA</elem>
-- <elem key="strength">A</elem>
-- <elem key="kex_info">dh 256</elem>
-- <elem key="kex_info">rsa 2048</elem>
-- <elem key="name">TLS_RSA_WITH_RC4_128_MD5</elem>
-- <elem key="strength">C</elem>
-- </table>
-- </table>
-- <table key="compressors">
-- <elem>NULL</elem>
-- </table>
-- <elem key="cipher preference">server</elem>
-- <table key="warnings">
-- <elem>Broken cipher RC4 is deprecated by RFC 7465</elem>
-- <elem>Ciphersuite uses MD5 for message integrity</elem>
-- </table>
-- </table>
-- <elem key="least strength">C</elem>
@@ -523,8 +707,11 @@ local function find_ciphers_group(host, port, protocol, group, scores)
else
sigalg = c.sig_algorithm:match("([sS][hH][aA]1)")
if sigalg then
-- TODO: Update this when SHA-1 is deprecated in 2016
-- kex_strength = 0
-- TODO: Update this when SHA-1 is fully deprecated in 2017
if type(c.notBefore) == "table" and c.notBefore.year >= 2016 then
kex_strength = 0
scores.warnings["Deprecated SHA1 signature in certificate issued after January 1, 2016"] = true
end
scores.warnings["Weak certificate signature: SHA1"] = true
end
kex_strength = tls.rsa_equiv(kex.pubkey, c.pubkey.bits)