Package: libneon27-gnutls Version: 0.30.2-2 Severity: normal Dear Maintainer,
I am using sitecopy for very long to push my modification on my website through WebDAV/SSL and everything was well until a few months ago. Then, sitecopy started to refuse to write on the remote server issuing the following error statement: Certificate verification error: signed using insecure algorithm After a few research in the code of sitecopy, I manage to focus a bit more on the origin of the problem. Here is an excerpt of an ltrace from an erroneous run on sitecopy: ================================================================= fopen("/home/fleury/.sitecopy/homepage."..., "w") = 0x5cf417a230 ne_session_create(0x5cf3d1907b, 0x5cf415ba70, 443, 0x7f17310904a0) = 0x5cf417bb60 ne_has_support(1, 0x5cf3d19081, 0x70747468, 0x737074) = 1 access("/home/fleury/.sitecopy/homepage."..., 4) = 0 ne_ssl_cert_read(0x5cf4179e90, 4, 0x70747468, 0x7f1731090777) = 0x5cf41e1930 ne_ssl_set_verify(0x5cf417bb60, 0x5cf3d149a0, 0x5cf4179cb0, 0) = 0x5cf41e1930 ne_set_notifier(0x5cf417bb60, 0x5cf3d14950, 0, 0) = 0x5cf41e1930 ne_set_useragent(0x5cf417bb60, 0x5cf3d19081, 0, 0) = 0x5cf4178ccb ne_set_server_auth(0x5cf417bb60, 0x5cf3d14a40, 0x5cf4179cc0, 0x2e302f6e6f656e20) = 0 ne_path_escape(0x5cf415c5d0, 0, 0x5cf41e7480, 0x7f173134cb00) = 0x5cf4165950 ne_options(0x5cf417bb60, 0x5cf4165950, 0x7fffccdb28a0, 0x662f6f737265702f) = 1 free(0x5cf4165950) = <void> ne_get_error(0x5cf417bb60, 1, 0xfffffff9, 0) = 0x5cf417bcd8 ne_strdup(0x5cf417bcd8, 1, 0xfffffff9, 0) = 0x5cf43a3890 ne_get_error(0x5cf417bb60, 0x5cf417bb60, 0x6d687469726f67, 0x6e6f697461636966) = 0x5cf417bcd8 ne_strdup(0x5cf417bcd8, 0x5cf417bb60, 0x6d687469726f67, 0x6e6f697461636966) = 0x5cf43a38e0 ne_session_destroy(0x5cf417bb60, 0x5cf417bd18, 0x6d687469726f67, 0x6e6f697461636966) = 1 dcgettext(0, 0x5cf3d1952f, 5, 0x5cf3d1b328) = 0x5cf3d1952f __printf_chk(1, 0x5cf3d1952f, 0x7fffccdb33eb, 0x5cf43a38e0) = 81 __snprintf_chk(0x7fffccdb1a20, 4096, 1, 4096) = 39 fwrite("<?xml version="1.0" encoding="IS"..., 1, 44, 0x5cf417a230) = 44 fwrite("<sitestate version='1.0'>\n", 1, 26, 0x5cf417a230) = 26 ================================================================= The error start to appear around the call to ne_ssl_set_verify(). In fact, I looked at other tools to update my website and got similar problem when trying to access the WebDAVs file-system. For example, the tool fuserdav was issuing the exact same error: ================================================================= $ fusedav https://webdav.labri.fr/ mountpoint_dir/ PROPFIND failed: Certificate verification error: signed using insecure algorithm PROPFIND failed: Certificate verification error: signed using insecure algorithm ... last message repeated again and again ... ================================================================= Yet, the certificate of the web server seems to be okay when checked with gnutls-cli: ================================================================= $ gnutls-cli --ca-verification --verbose www.labri.fr Processed 148 CA certificate(s). Resolving 'www.labri.fr:443'... Connecting to '2001:660:6101:404::80:443'... - Certificate type: X.509 - Got a certificate list of 2 certificates. - Certificate[0] info: - X.509 Certificate Information: Version: 3 Serial Number (hex): 0156904be054caf74df8e4e5a488d01a Issuer: CN=TERENA SSL CA 3,O=TERENA,L=Amsterdam,ST=Noord-Holland,C=NL Validity: Not Before: Tue Jun 07 00:00:00 UTC 2016 Not After: Wed Jun 12 12:00:00 UTC 2019 Subject: CN=*.labri.fr,O=Direction des Systèmes d'Information,L=Pessac,ST=Aquitaine,C=FR Subject Public Key Algorithm: RSA Algorithm Security Level: Medium (2048 bits) Modulus (bits 2048): 00:c9:b4:82:26:c5:12:74:c8:d1:f1:c6:e5:f5:d2:1e 04:7d:87:7d:4d:8d:8d:8a:4f:bd:00:0a:e6:dc:54:4b db:9b:d5:63:31:ab:e3:01:78:75:ce:ea:c5:f5:ad:03 8f:38:d3:92:a0:e6:91:6f:6e:ee:9d:65:45:87:ee:ab 69:b3:d6:21:a7:c4:2b:bb:35:e7:76:f8:73:76:57:75 59:1a:25:f8:19:40:0c:98:3f:08:4c:f9:1b:e8:58:a9 68:b3:f7:a3:a0:24:65:3d:6b:92:6e:cb:22:c7:d6:01 0a:60:ea:d6:35:f4:fc:31:77:36:4b:4f:05:d1:6f:97 b7:00:f6:d2:9e:4e:ec:d7:65:0e:00:38:e5:b8:69:39 1c:45:4f:43:0f:3e:bf:3f:8d:36:47:22:44:96:65:7d 6b:73:37:6a:a4:73:d6:be:ec:90:22:df:fe:98:fb:3a 11:96:87:3f:81:ec:a4:e1:2c:0f:ed:76:5e:12:9a:aa c6:e7:af:48:52:e7:be:bb:f7:97:09:c8:3f:1e:38:63 d6:8e:d3:b3:f5:aa:b6:3a:2d:d7:fd:f5:de:74:45:1b 4b:69:65:fa:81:a9:60:2a:a6:4a:36:ad:ab:b3:9c:24 17:65:3e:dc:8a:e9:c0:c1:73:d7:22:63:12:60:94:37 9f Exponent (bits 24): 01:00:01 Extensions: Authority Key Identifier (not critical): 67fd8820142798c709d22519bbe9511163755062 Subject Key Identifier (not critical): 3deee41c1bc325699244fe400cff7f77647a69e2 Subject Alternative Name (not critical): DNSname: *.labri.fr DNSname: labri.fr Key Usage (critical): Digital signature. Key encipherment. Key Purpose (not critical): TLS WWW Server. TLS WWW Client. CRL Distribution points (not critical): URI: http://crl3.digicert.com/TERENASSLCA3.crl URI: http://crl4.digicert.com/TERENASSLCA3.crl Certificate Policies (not critical): 2.16.840.1.114412.1.1 URI: https://www.digicert.com/CPS 2.23.140.1.2.2 Authority Information Access (not critical): Access Method: 1.3.6.1.5.5.7.48.1 (id-ad-ocsp) Access Location URI: http://ocsp.digicert.com Access Method: 1.3.6.1.5.5.7.48.2 (id-ad-caIssuers) Access Location URI: http://cacerts.digicert.com/TERENASSLCA3.crt Basic Constraints (critical): Certificate Authority (CA): FALSE Signature Algorithm: RSA-SHA256 Signature: 8f:9f:d4:7c:4d:51:9c:f4:d4:b8:43:9e:cf:6e:89:47 f5:c8:20:8f:73:02:b2:eb:99:53:ac:9f:8b:31:63:a8 7f:67:58:40:3c:98:84:0b:84:16:82:00:6a:a9:64:01 94:ef:81:28:0d:45:61:b7:19:01:86:25:3c:52:c8:e2 26:25:f1:08:34:9d:34:f3:be:11:aa:38:8c:f5:7e:58 03:cf:2e:7e:09:73:94:86:3f:9e:1b:49:5e:10:43:64 5c:92:d6:62:15:3f:69:ed:4a:41:a3:69:91:3a:bb:5e fd:1d:52:fd:47:38:79:f0:c1:48:d7:f3:9e:6a:87:b4 77:ae:2f:39:82:2e:71:76:1d:12:59:95:65:73:d0:c0 c4:0d:4a:5c:52:1c:ff:14:73:e3:a2:28:ba:54:77:1d 1d:0d:de:5e:1c:de:53:4d:a7:98:b4:4a:ca:ef:99:27 18:5f:63:e6:29:8c:54:90:72:f5:52:ea:2d:13:90:0d f9:f2:96:34:ea:70:6a:c9:8c:0a:80:7a:24:7d:8c:5b b8:fd:43:19:17:18:ab:9b:2e:e6:69:c9:da:bc:82:4e 64:b5:7b:b5:6c:bd:ba:76:58:1f:20:46:08:96:ee:9c ac:b3:f6:da:ae:d0:60:eb:4f:88:ee:90:14:cd:84:ae Other Information: Fingerprint: sha1:bb3d2b468575afad8e7b87a082a7eb0d44ece22c sha256:be778cfda353b61600168e4eb7c018a6b48991eed293b90cf1fb967d69436ce2 Public Key ID: sha1:046c505e0de1a21a90b2a957b0e42685b7867d9d sha256:8af02140b526b62badac883b4607854c77f03ed7b565af5b934fbabb62f9cacc Public Key PIN: pin-sha256:ivAhQLUmtiutrIg7RgeFTHfwPte1Za9bk0+6u2L5ysw= Public key's random art: +--[ RSA 2048]----+ | .+o ++ | | o .o+ . | |= = .o o | |.@ + o + | |= O + E S | |.+ = | |. o | | . | | | +-----------------+ -----BEGIN CERTIFICATE----- MIIFNDCCBBygAwIBAgIQAVaQS+BUyvdN+OTlpIjQGjANBgkqhkiG9w0BAQsFADBk MQswCQYDVQQGEwJOTDEWMBQGA1UECBMNTm9vcmQtSG9sbGFuZDESMBAGA1UEBxMJ QW1zdGVyZGFtMQ8wDQYDVQQKEwZURVJFTkExGDAWBgNVBAMTD1RFUkVOQSBTU0wg Q0EgMzAeFw0xNjA2MDcwMDAwMDBaFw0xOTA2MTIxMjAwMDBaMHcxCzAJBgNVBAYT AkZSMRIwEAYDVQQIEwlBcXVpdGFpbmUxDzANBgNVBAcTBlBlc3NhYzEuMCwGA1UE CgwlRGlyZWN0aW9uIGRlcyBTeXN0w6htZXMgZCdJbmZvcm1hdGlvbjETMBEGA1UE AwwKKi5sYWJyaS5mcjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMm0 gibFEnTI0fHG5fXSHgR9h31NjY2KT70ACubcVEvbm9VjMavjAXh1zurF9a0DjzjT kqDmkW9u7p1lRYfuq2mz1iGnxCu7Ned2+HN2V3VZGiX4GUAMmD8ITPkb6FipaLP3 o6AkZT1rkm7LIsfWAQpg6tY19PwxdzZLTwXRb5e3APbSnk7s12UOADjluGk5HEVP Qw8+vz+NNkciRJZlfWtzN2qkc9a+7JAi3/6Y+zoRloc/geyk4SwP7XZeEpqqxuev SFLnvrv3lwnIPx44Y9aO07P1qrY6Ldf99d50RRtLaWX6galgKqZKNq2rs5wkF2U+ 3IrpwMFz1yJjEmCUN58CAwEAAaOCAc0wggHJMB8GA1UdIwQYMBaAFGf9iCAUJ5jH CdIlGbvpURFjdVBiMB0GA1UdDgQWBBQ97uQcG8MlaZJE/kAM/393ZHpp4jAfBgNV HREEGDAWggoqLmxhYnJpLmZygghsYWJyaS5mcjAOBgNVHQ8BAf8EBAMCBaAwHQYD VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMGsGA1UdHwRkMGIwL6AtoCuGKWh0 dHA6Ly9jcmwzLmRpZ2ljZXJ0LmNvbS9URVJFTkFTU0xDQTMuY3JsMC+gLaArhilo dHRwOi8vY3JsNC5kaWdpY2VydC5jb20vVEVSRU5BU1NMQ0EzLmNybDBMBgNVHSAE RTBDMDcGCWCGSAGG/WwBATAqMCgGCCsGAQUFBwIBFhxodHRwczovL3d3dy5kaWdp Y2VydC5jb20vQ1BTMAgGBmeBDAECAjBuBggrBgEFBQcBAQRiMGAwJAYIKwYBBQUH MAGGGGh0dHA6Ly9vY3NwLmRpZ2ljZXJ0LmNvbTA4BggrBgEFBQcwAoYsaHR0cDov L2NhY2VydHMuZGlnaWNlcnQuY29tL1RFUkVOQVNTTENBMy5jcnQwDAYDVR0TAQH/ BAIwADANBgkqhkiG9w0BAQsFAAOCAQEAj5/UfE1RnPTUuEOez26JR/XIII9zArLr mVOsn4sxY6h/Z1hAPJiEC4QWggBqqWQBlO+BKA1FYbcZAYYlPFLI4iYl8Qg0nTTz vhGqOIz1flgDzy5+CXOUhj+eG0leEENkXJLWYhU/ae1KQaNpkTq7Xv0dUv1HOHnw wUjX855qh7R3ri85gi5xdh0SWZVlc9DAxA1KXFIc/xRz46IoulR3HR0N3l4c3lNN p5i0SsrvmScYX2PmKYxUkHL1UuotE5AN+fKWNOpwasmMCoB6JH2MW7j9QxkXGKub LuZpydq8gk5ktXu1bL26dlgfIEYIlu6crLP22q7QYOtPiO6QFM2Erg== -----END CERTIFICATE----- - Certificate[1] info: - X.509 Certificate Information: Version: 3 Serial Number (hex): 0870bcc5af3fdb959a91cb6aeeefe465 Issuer: CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US Validity: Not Before: Tue Nov 18 12:00:00 UTC 2014 Not After: Mon Nov 18 12:00:00 UTC 2024 Subject: CN=TERENA SSL CA 3,O=TERENA,L=Amsterdam,ST=Noord-Holland,C=NL Subject Public Key Algorithm: RSA Algorithm Security Level: Medium (2048 bits) Modulus (bits 2048): 00:c5:76:0f:0f:d9:43:29:3b:6c:6d:d1:47:ad:de:10 bf:23:c2:78:a8:4a:77:35:f1:23:5b:e0:4c:1e:41:e7 c2:31:00:bd:88:37:45:75:dd:b9:02:10:80:1e:8f:ed 64:23:04:45:a7:a0:39:3b:81:4d:cf:63:3f:c2:49:ff 22:9e:88:b0:d2:96:b9:5c:8a:74:1f:92:2a:2a:f2:12 c8:b7:68:54:b5:58:41:81:40:68:06:1a:4f:85:29:fb b5:4d:3c:0f:4f:3f:40:96:1b:ce:a8:cc:5e:35:ff:64 98:f5:75:dd:74:54:05:a0:36:11:04:12:24:55:63:ef 94:77:2e:77:f1:15:76:ee:d3:a4:59:45:21:9f:a8:be d1:27:ed:0a:e8:ab:38:ca:3f:87:d1:da:f1:8f:b9:0b 1f:44:e7:e0:ad:f3:95:c2:16:4d:ec:84:a3:3a:92:d4 cf:c6:7d:e6:bd:cb:1a:40:4f:b3:54:b1:f3:8f:6f:0d 1e:e3:be:49:a3:56:e4:07:bc:8d:a7:ce:1d:b0:5b:57 56:d1:c4:1c:fc:98:65:d1:cd:46:2f:91:94:bf:45:85 49:f8:6d:52:87:1c:02:56:01:27:16:ab:72:2e:f4:71 e4:61:b5:20:a0:fa:26:69:6a:0a:f1:ab:9f:6d:b7:cf 25 Exponent (bits 24): 01:00:01 Extensions: Basic Constraints (critical): Certificate Authority (CA): TRUE Path Length Constraint: 0 Key Usage (critical): Digital signature. Certificate signing. CRL signing. Authority Information Access (not critical): Access Method: 1.3.6.1.5.5.7.48.1 (id-ad-ocsp) Access Location URI: http://ocsp.digicert.com Access Method: 1.3.6.1.5.5.7.48.2 (id-ad-caIssuers) Access Location URI: http://cacerts.digicert.com/DigiCertAssuredIDRootCA.crt CRL Distribution points (not critical): URI: http://crl3.digicert.com/DigiCertAssuredIDRootCA.crl URI: http://crl4.digicert.com/DigiCertAssuredIDRootCA.crl Certificate Policies (not critical): 2.5.29.32.0 URI: https://www.digicert.com/CPS Subject Key Identifier (not critical): 67fd8820142798c709d22519bbe9511163755062 Authority Key Identifier (not critical): 45eba2aff492cb82312d518ba7a7219df36dc80f Signature Algorithm: RSA-SHA256 Signature: a9:28:35:7a:c4:7b:d6:da:27:1e:ac:98:cf:27:36:4f 11:32:74:74:e6:40:dd:1d:cd:f2:68:77:35:af:b3:8c 5d:c6:04:bf:15:f4:23:67:8b:b9:6f:97:04:eb:46:9d c2:cd:c9:d1:a4:ae:81:2e:c9:ba:b1:e8:80:d0:1c:c9 39:c1:56:76:59:6c:9c:7d:e3:a9:f0:d3:d1:34:d8:3c 49:59:8b:1a:98:ce:bf:c6:f2:d8:30:35:ff:e9:6f:5d a0:af:3a:ee:66:53:ae:aa:8c:69:c8:be:9a:a7:a0:7b d8:82:4b:33:13:c8:07:f3:77:d7:f3:64:cd:9e:63:f9 42:27:53:ae:10:33:89:72:37:15:f1:be:f7:1e:35:a2 ce:c3:2d:f2:d7:b2:e6:0b:c7:69:c0:e5:1f:5f:7c:69 9b:7e:ce:26:1a:33:44:c3:ba:77:05:3b:ba:5d:3f:41 89:fa:16:3b:ee:04:6e:5b:ac:56:4b:ef:8c:70:f2:4a 7b:57:bd:19:6e:8b:36:07:54:26:2d:86:09:94:1f:5f 37:ab:f0:23:3f:8f:2c:5f:96:9e:47:71:a8:44:de:a9 b9:85:2f:b5:34:60:a5:5f:09:a0:9a:43:1d:d4:bf:2d 44:d6:8d:da:fd:75:cb:5f:16:a0:0e:61:c2:70:3d:36 Other Information: Fingerprint: sha1:77b99bb2bd7522e17ec099ea7177516f27787cad sha256:beb8efe9b1a73c841b375a90e5fff8048848e3a2af66f6c4dd7b938d6fe8c5d8 Public Key ID: sha1:5e5da582aef1b874badb5e21063d90a1d6c64810 sha256:f3ae75c0490c907e5fb6268ba79ee8aa6c772874c5cc3829ed97895d1d13a01b Public Key PIN: pin-sha256:8651wEkMkH5ftiaLp57oqmx3KHTFzDgp7ZeJXR0ToBs= Public key's random art: +--[ RSA 2048]----+ | Eo. oo .| | . =.o . o | | + = + . o | | . . o o o | | S = o | | . B . . | | = o . | | . = . | | =+o | +-----------------+ -----BEGIN CERTIFICATE----- MIIE+zCCA+OgAwIBAgIQCHC8xa8/25Wakctq7u/kZTANBgkqhkiG9w0BAQsFADBl MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 d3cuZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJv b3QgQ0EwHhcNMTQxMTE4MTIwMDAwWhcNMjQxMTE4MTIwMDAwWjBkMQswCQYDVQQG EwJOTDEWMBQGA1UECBMNTm9vcmQtSG9sbGFuZDESMBAGA1UEBxMJQW1zdGVyZGFt MQ8wDQYDVQQKEwZURVJFTkExGDAWBgNVBAMTD1RFUkVOQSBTU0wgQ0EgMzCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMV2Dw/ZQyk7bG3RR63eEL8jwnio Snc18SNb4EweQefCMQC9iDdFdd25AhCAHo/tZCMERaegOTuBTc9jP8JJ/yKeiLDS lrlcinQfkioq8hLIt2hUtVhBgUBoBhpPhSn7tU08D08/QJYbzqjMXjX/ZJj1dd10 VAWgNhEEEiRVY++Udy538RV27tOkWUUhn6i+0SftCuirOMo/h9Ha8Y+5Cx9E5+Ct 85XCFk3shKM6ktTPxn3mvcsaQE+zVLHzj28NHuO+SaNW5Ae8jafOHbBbV1bRxBz8 mGXRzUYvkZS/RYVJ+G1ShxwCVgEnFqtyLvRx5GG1IKD6JmlqCvGrn223zyUCAwEA AaOCAaYwggGiMBIGA1UdEwEB/wQIMAYBAf8CAQAwDgYDVR0PAQH/BAQDAgGGMHkG CCsGAQUFBwEBBG0wazAkBggrBgEFBQcwAYYYaHR0cDovL29jc3AuZGlnaWNlcnQu Y29tMEMGCCsGAQUFBzAChjdodHRwOi8vY2FjZXJ0cy5kaWdpY2VydC5jb20vRGln aUNlcnRBc3N1cmVkSURSb290Q0EuY3J0MIGBBgNVHR8EejB4MDqgOKA2hjRodHRw Oi8vY3JsMy5kaWdpY2VydC5jb20vRGlnaUNlcnRBc3N1cmVkSURSb290Q0EuY3Js MDqgOKA2hjRodHRwOi8vY3JsNC5kaWdpY2VydC5jb20vRGlnaUNlcnRBc3N1cmVk SURSb290Q0EuY3JsMD0GA1UdIAQ2MDQwMgYEVR0gADAqMCgGCCsGAQUFBwIBFhxo dHRwczovL3d3dy5kaWdpY2VydC5jb20vQ1BTMB0GA1UdDgQWBBRn/YggFCeYxwnS JRm76VERY3VQYjAfBgNVHSMEGDAWgBRF66Kv9JLLgjEtUYunpyGd823IDzANBgkq hkiG9w0BAQsFAAOCAQEAqSg1esR71tonHqyYzyc2TxEydHTmQN0dzfJodzWvs4xd xgS/FfQjZ4u5b5cE60adws3J0aSugS7JurHogNAcyTnBVnZZbJx946nw09E02DxJ WYsamM6/xvLYMDX/6W9doK867mZTrqqMaci+mqege9iCSzMTyAfzd9fzZM2eY/lC J1OuEDOJcjcV8b73HjWizsMt8tey5gvHacDlH198aZt+ziYaM0TDuncFO7pdP0GJ +hY77gRuW6xWS++McPJKe1e9GW6LNgdUJi2GCZQfXzer8CM/jyxflp5HcahE3qm5 hS+1NGClXwmgmkMd1L8tRNaN2v11y18WoA5hwnA9Ng== -----END CERTIFICATE----- - Status: The certificate is trusted. - Description: (TLS1.2)-(ECDHE-RSA-SECP256R1)-(AES-256-GCM) - Session ID: 2C:E3:09:15:22:D0:55:05:5C:7C:A3:B9:36:4A:8B:47:05:43:55:45:56:1E:07:A4:70:5B:98:C9:FA:D9:AC:DE - Ephemeral EC Diffie-Hellman parameters - Using curve: SECP256R1 - Curve size: 256 bits - Version: TLS1.2 - Key Exchange: ECDHE-RSA - Server Signature: RSA-SHA256 - Cipher: AES-256-GCM - MAC: AEAD - Compression: NULL - Options: safe renegotiation, OCSP status request, - Channel binding 'tls-unique': 6f4f3989dc9066832dcb4ab8 - Handshake was completed OCSP Response Information: Response Status: Successful Response Type: Basic OCSP Response Version: 1 Responder Key ID: 67fd8820142798c709d22519bbe9511163755062 Produced At: Thu Aug 24 11:48:45 UTC 2017 Responses: Certificate ID: Hash Algorithm: SHA1 Issuer Name Hash: 1175295285b7738d52a8e3508fb390c5eec7d46a Issuer Key Hash: 67fd8820142798c709d22519bbe9511163755062 Serial Number: 0156904be054caf74df8e4e5a488d01a Certificate Status: good This Update: Thu Aug 24 11:48:45 UTC 2017 Next Update: Thu Aug 31 11:03:45 UTC 2017 Extensions: Signature Algorithm: RSA-SHA256 Signature: 94:d5:07:88:fa:2c:0a:0d:05:96:d4:bc:0f:05:e2:d1 83:33:1d:6a:6c:62:d9:a3:93:8f:df:fa:6e:34:66:a9 4d:35:2a:71:cd:0f:d9:5d:1b:a4:8f:98:3f:24:8f:f8 48:df:f0:eb:15:0e:b2:af:87:90:67:03:c2:a4:c2:6c d5:8a:23:c3:de:ce:39:c1:7a:ae:4a:6a:c2:a2:5a:23 1f:dd:f3:d5:4d:9a:32:5f:2f:45:bb:3b:cb:ce:9d:5e f5:09:9c:6f:33:bf:e9:f5:cf:7e:b5:d5:40:3f:59:31 df:5a:66:65:b5:8b:39:56:1d:21:e0:a3:41:59:5a:36 05:56:85:a5:2b:b0:79:68:f4:c5:dd:bc:55:7c:f0:71 e6:6d:7e:52:75:f9:0a:c4:6a:b3:1c:a9:9d:46:a7:8c f5:43:f0:c7:e0:ba:bd:69:bd:7c:4f:85:1c:6c:b0:a5 6e:3a:e8:fb:8f:0a:c9:83:6f:36:b7:b2:d7:30:61:6d 3a:43:99:74:dc:c3:67:2b:82:19:1f:7a:34:21:aa:fb c7:ab:f8:07:94:a6:d3:d4:2f:1b:b9:6d:72:7a:70:ea 2b:af:13:b0:8a:43:8b:09:98:c3:7c:6e:b0:af:3f:c9 11:98:1e:9f:c5:bb:28:dc:6f:80:31:3f:e4:17:69:81 - Simple Client Mode: ... ================================================================= My belief is that if gnutls seems to consider this certificate as 'valid' and if sitecopy of fuserdav are both failing when asking to libneon, then the bug must be in libneon... i.e. somewhere in between... So, did I miss something or is there really a serious bug here ? (it may be possible that the certificate is flawed...but I wonder why only libneon is seeing it as "wrong" then. Feel free to ask me more details if needed! -- System Information: Debian Release: buster/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 4.12.4 (SMP w/4 CPU cores; PREEMPT) Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages libneon27-gnutls depends on: ii libc6 2.24-15 ii libcomerr2 1.43.5-1 ii libgnutls30 3.5.15-2 ii libgssapi-krb5-2 1.15.1-2 ii libk5crypto3 1.15.1-2 ii libkrb5-3 1.15.1-2 ii libxml2 2.9.4+dfsg1-3.1 ii zlib1g 1:1.2.8.dfsg-5 Versions of packages libneon27-gnutls recommends: ii ca-certificates 20170717 libneon27-gnutls suggests no packages. -- no debconf information