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crypto/tls: mark RSA KEX cipher suites insecure

Updates #63413

Change-Id: I31fc2f9728582524cac5d101d0011093dbd05ed3
Reviewed-on: https://go-review.googlesource.com/c/go/+/544336
Auto-Submit: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
This commit is contained in:
Filippo Valsorda 2023-11-21 23:25:51 +01:00 committed by Gopher Robot
parent 059a9eedf4
commit dc5a0d276b
2 changed files with 17 additions and 13 deletions

View File

@ -52,11 +52,6 @@ var (
// and might not match those returned by this function.
func CipherSuites() []*CipherSuite {
return []*CipherSuite{
{TLS_RSA_WITH_AES_128_CBC_SHA, "TLS_RSA_WITH_AES_128_CBC_SHA", supportedUpToTLS12, false},
{TLS_RSA_WITH_AES_256_CBC_SHA, "TLS_RSA_WITH_AES_256_CBC_SHA", supportedUpToTLS12, false},
{TLS_RSA_WITH_AES_128_GCM_SHA256, "TLS_RSA_WITH_AES_128_GCM_SHA256", supportedOnlyTLS12, false},
{TLS_RSA_WITH_AES_256_GCM_SHA384, "TLS_RSA_WITH_AES_256_GCM_SHA384", supportedOnlyTLS12, false},
{TLS_AES_128_GCM_SHA256, "TLS_AES_128_GCM_SHA256", supportedOnlyTLS13, false},
{TLS_AES_256_GCM_SHA384, "TLS_AES_256_GCM_SHA384", supportedOnlyTLS13, false},
{TLS_CHACHA20_POLY1305_SHA256, "TLS_CHACHA20_POLY1305_SHA256", supportedOnlyTLS13, false},
@ -85,7 +80,11 @@ func InsecureCipherSuites() []*CipherSuite {
return []*CipherSuite{
{TLS_RSA_WITH_RC4_128_SHA, "TLS_RSA_WITH_RC4_128_SHA", supportedUpToTLS12, true},
{TLS_RSA_WITH_3DES_EDE_CBC_SHA, "TLS_RSA_WITH_3DES_EDE_CBC_SHA", supportedUpToTLS12, true},
{TLS_RSA_WITH_AES_128_CBC_SHA, "TLS_RSA_WITH_AES_128_CBC_SHA", supportedUpToTLS12, true},
{TLS_RSA_WITH_AES_256_CBC_SHA, "TLS_RSA_WITH_AES_256_CBC_SHA", supportedUpToTLS12, true},
{TLS_RSA_WITH_AES_128_CBC_SHA256, "TLS_RSA_WITH_AES_128_CBC_SHA256", supportedOnlyTLS12, true},
{TLS_RSA_WITH_AES_128_GCM_SHA256, "TLS_RSA_WITH_AES_128_GCM_SHA256", supportedOnlyTLS12, true},
{TLS_RSA_WITH_AES_256_GCM_SHA384, "TLS_RSA_WITH_AES_256_GCM_SHA384", supportedOnlyTLS12, true},
{TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA", supportedUpToTLS12, true},
{TLS_ECDHE_RSA_WITH_RC4_128_SHA, "TLS_ECDHE_RSA_WITH_RC4_128_SHA", supportedUpToTLS12, true},
{TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA", supportedUpToTLS12, true},

View File

@ -1490,16 +1490,21 @@ func TestCipherSuites(t *testing.T) {
if len(cipherSuitesPreferenceOrderNoAES) != len(cipherSuitesPreferenceOrder) {
t.Errorf("cipherSuitesPreferenceOrderNoAES is not the same size as cipherSuitesPreferenceOrder")
}
if len(defaultCipherSuites) >= len(defaultCipherSuitesWithRSAKex) {
t.Errorf("defaultCipherSuitesWithRSAKex should be longer than defaultCipherSuites")
}
// Check that disabled suites are marked insecure.
for id := range disabledCipherSuites {
c := CipherSuiteByID(id)
if c == nil {
t.Errorf("%#04x: no CipherSuite entry", id)
continue
}
if !c.Insecure {
t.Errorf("%#04x: disabled by default but not marked insecure", id)
for _, badSuites := range []map[uint16]bool{disabledCipherSuites, rsaKexCiphers} {
for id := range badSuites {
c := CipherSuiteByID(id)
if c == nil {
t.Errorf("%#04x: no CipherSuite entry", id)
continue
}
if !c.Insecure {
t.Errorf("%#04x: disabled by default but not marked insecure", id)
}
}
}