diff options
| -rw-r--r-- | NEWS | 4 | ||||
| -rw-r--r-- | fetchmail.man | 5 | ||||
| -rw-r--r-- | options.c | 2 | ||||
| -rw-r--r-- | po/de.po | 8 | ||||
| -rw-r--r-- | socket.c | 8 |
5 files changed, 15 insertions, 12 deletions
@@ -57,6 +57,10 @@ removed from a 6.4.0 or newer release.) fetchmail-6.3.20 (not yet released): # CHANGES +* fetchmail no longer supports SSL v2, nor the corresponding SSL2 option to + --sslproto. SSLv2 is insecure and had been deprecated 15 years ago. fetchmail + will actively forbid SSLv2 negotiation by means of SSL_OP_NO_SSLv2. + To fix Debian Bug#622054. * fetchmail now always uses its own MD5 implementation. The library and header variants are too diverse, and we've been bitten before -- and configure complains noisily on Cyrus-SASL's RFC1321 md5.h. diff --git a/fetchmail.man b/fetchmail.man index 495a60e3..69aa887f 100644 --- a/fetchmail.man +++ b/fetchmail.man @@ -474,8 +474,9 @@ Also see \-\-sslcert above. (Keyword: sslproto) .br Forces an SSL/TLS protocol. Possible values are \fB''\fP, -\&'\fBSSL2\fP', '\fBSSL23\fP', (use of these two values is discouraged -and should only be used as a last resort) \&'\fBSSL3\fP', and +\&'\fBSSL23\fP' (note however that fetchmail, since v6.3.20, prohibits +negotiation of SSLv2 -- it has been deprecated for 15 years and is +insecure), \&'\fBSSL3\fP', and \&'\fBTLS1\fP'. The default behaviour if this option is unset is: for connections without \-\-ssl, use \&'\fBTLS1\fP' so that fetchmail will opportunistically try STARTTLS negotiation with TLS1. You can configure @@ -651,7 +651,7 @@ int parsecmdline (int argc /** argument count */, P(GT_(" --sslcertpath path to trusted-CA ssl certificate directory\n")); P(GT_(" --sslcommonname expect this CommonName from server (discouraged)\n")); P(GT_(" --sslfingerprint fingerprint that must match that of the server's cert.\n")); - P(GT_(" --sslproto force ssl protocol (SSL2/SSL3/TLS1)\n")); + P(GT_(" --sslproto force ssl protocol (SSL23/SSL3/TLS1)\n")); #endif P(GT_(" --plugin specify external command to open connection\n")); P(GT_(" --plugout specify external command to open smtp connection\n")); @@ -2269,8 +2269,8 @@ msgstr "" "Servers.\n" #: options.c:654 -msgid " --sslproto force ssl protocol (SSL2/SSL3/TLS1)\n" -msgstr " --sslproto SSL-Protokoll erzwingen (SSL2/SSL3/TLS1)\n" +msgid " --sslproto force ssl protocol (SSL23/SSL3/TLS1)\n" +msgstr " --sslproto SSL-Protokoll erzwingen (SSL23/SSL3/TLS1)\n" #: options.c:656 msgid " --plugin specify external command to open connection\n" @@ -3174,9 +3174,9 @@ msgstr "Datei-Deskriptor außerhalb des Bereichs für SSL" #: socket.c:901 #, c-format -msgid "Invalid SSL protocol '%s' specified, using default (SSLv23).\n" +msgid "Invalid SSL protocol '%s' specified, using default (SSL23).\n" msgstr "" -"Ungültiges SSL-Protokoll „%s“ angegeben, benutze Voreinstellung (SSLv23).\n" +"Ungültiges SSL-Protokoll „%s“ angegeben, benutze Voreinstellung (SSL23).\n" #: socket.c:994 msgid "Certificate/fingerprint verification was somehow skipped!\n" @@ -889,16 +889,14 @@ int SSLOpen(int sock, char *mycert, char *mykey, const char *myproto, int certck /* Make sure a connection referring to an older context is not left */ _ssl_context[sock] = NULL; if(myproto) { - if(!strcasecmp("ssl2",myproto)) { - _ctx[sock] = SSL_CTX_new(SSLv2_client_method()); - } else if(!strcasecmp("ssl3",myproto)) { + if(!strcasecmp("ssl3",myproto)) { _ctx[sock] = SSL_CTX_new(SSLv3_client_method()); } else if(!strcasecmp("tls1",myproto)) { _ctx[sock] = SSL_CTX_new(TLSv1_client_method()); } else if (!strcasecmp("ssl23",myproto)) { myproto = NULL; } else { - fprintf(stderr,GT_("Invalid SSL protocol '%s' specified, using default (SSLv23).\n"), myproto); + fprintf(stderr,GT_("Invalid SSL protocol '%s' specified, using default (SSL23).\n"), myproto); myproto = NULL; } } @@ -910,7 +908,7 @@ int SSLOpen(int sock, char *mycert, char *mykey, const char *myproto, int certck return(-1); } - SSL_CTX_set_options(_ctx[sock], SSL_OP_ALL); + SSL_CTX_set_options(_ctx[sock], SSL_OP_ALL | SSL_OP_NO_SSLv2); if (certck) { SSL_CTX_set_verify(_ctx[sock], SSL_VERIFY_PEER, SSL_ck_verify_callback); |