[Bug 1602608] [NEW] mailman crash for subscription in webinterface

Public bug reported: A Traceback from mailman's logs for a subscription. The bug can be triggered with the following post-data: language='' Jul 11 20:29:34 2016 admin(29209): @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ admin(29209): [----- Mailman Version: 2.1.16 -----] admin(29209): [----- Traceback ------] admin(29209): Traceback (most recent call last): admin(29209): File "/var/lib/mailman/scripts/driver", line 117, in run_main admin(29209): main() admin(29209): File "/var/lib/mailman/Mailman/Cgi/subscribe.py", line 73, in main admin(29209): language = cgidata.getvalue('language') admin(29209): File "/usr/lib/python2.7/cgi.py", line 548, in getvalue admin(29209): if key in self: admin(29209): File "/usr/lib/python2.7/cgi.py", line 594, in __contains__ admin(29209): raise TypeError, "not indexable" admin(29209): TypeError: not indexable admin(29209): [----- Python Information -----] admin(29209): sys.version = 2.7.6 (default, Jun 22 2015, 17:58:13) [GCC 4.8.2] admin(29209): sys.executable = /usr/bin/python admin(29209): sys.prefix = /usr admin(29209): sys.exec_prefix = /usr admin(29209): sys.path = ['/var/lib/mailman/pythonlib', '/var/lib/mailman', '/usr/lib/mailman/scripts', '/var/lib/mailman', '/usr/lib/python2.7/', '/usr/lib/python2.7/plat-x86_64-linux-gnu', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/lib/python2.7/site-packages'] admin(29209): sys.platform = linux2 admin(29209): [----- Environment Variables -----] admin(29209): SSL_VERSION_INTERFACE: mod_ssl/2.4.7 admin(29209): HTTP_REFERER: https://mail.example.com/cgi-bin/mailman/subscribe/news admin(29209): SSL_CIPHER_EXPORT: false admin(29209): CONTEXT_DOCUMENT_ROOT: /usr/lib/cgi-bin/ admin(29209): SERVER_SOFTWARE: Apache admin(29209): CONTEXT_PREFIX: /cgi-bin/ admin(29209): SSL_SERVER_A_KEY: rsaEncryption admin(29209): QUERY_STRING: admin(29209): SERVER_SIGNATURE: admin(29209): REQUEST_METHOD: POST admin(29209): PATH_INFO: /news admin(29209): SERVER_PROTOCOL: HTTP/1.1 admin(29209): SSL_SERVER_S_DN: CN=mail.example.com admin(29209): SSL_CIPHER: ECDHE-RSA-AES128-GCM-SHA256 admin(29209): SSL_SERVER_V_START: Apr 17 16:42:00 2016 GMT admin(29209): SSL_TLS_SNI: mail.example.com admin(29209): CONTENT_LENGTH: 106 admin(29209): SSL_CLIENT_VERIFY: NONE admin(29209): HTTP_USER_AGENT: Mozilla/5.0 (X11; Linux x86_64; rv:47.0) Gecko/20100101 Firefox/47.0 admin(29209): HTTP_CONNECTION: keep-alive admin(29209): HTTP_COOKIE: PHPSESSID=... admin(29209): SERVER_NAME: mail.example.com admin(29209): REMOTE_ADDR: 192.0.2.1 admin(29209): SSL_CIPHER_ALGKEYSIZE: 128 admin(29209): SSL_SECURE_RENEG: true admin(29209): PATH_TRANSLATED: /srv/web/mail/news admin(29209): SSL_SERVER_I_DN_C: US admin(29209): SSL_COMPRESS_METHOD: NULL admin(29209): SSL_SERVER_M_VERSION: 3 admin(29209): SSL_SERVER_I_DN_O: Let's Encrypt admin(29209): SERVER_ADDR: 192.0.2.2 admin(29209): DOCUMENT_ROOT: /srv/web/mail admin(29209): SERVER_PORT: 443 admin(29209): SSL_VERSION_LIBRARY: OpenSSL/1.0.1f admin(29209): PYTHONPATH: /var/lib/mailman admin(29209): SCRIPT_FILENAME: /usr/lib/cgi-bin/mailman/subscribe admin(29209): SERVER_ADMIN: webmaster@example.com admin(29209): SSL_SESSION_RESUMED: Initial admin(29209): SSL_SERVER_M_SERIAL: ... admin(29209): SSL_SERVER_A_SIG: sha256WithRSAEncryption admin(29209): HTTP_DNT: 1 admin(29209): HTTP_HOST: mail.example.com admin(29209): SCRIPT_NAME: /cgi-bin/mailman/subscribe admin(29209): HTTPS: on admin(29209): HTTP_CACHE_CONTROL: max-age=0 admin(29209): REQUEST_URI: /cgi-bin/mailman/subscribe/news admin(29209): HTTP_ACCEPT: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 admin(29209): SSL_SERVER_S_DN_CN: mail.example.com admin(29209): GATEWAY_INTERFACE: CGI/1.1 admin(29209): SSL_SERVER_I_DN_CN: Let's Encrypt Authority X3 admin(29209): REMOTE_PORT: 40456 admin(29209): HTTP_ACCEPT_LANGUAGE: en-US,en;q=0.5 admin(29209): REQUEST_SCHEME: https admin(29209): SSL_SERVER_V_END: Jul 16 16:42:00 2016 GMT admin(29209): CONTENT_TYPE: text/plain;charset=UTF-8 admin(29209): SSL_PROTOCOL: TLSv1.2 admin(29209): SSL_CIPHER_USEKEYSIZE: 128 admin(29209): HTTP_ACCEPT_ENCODING: gzip, deflate, br admin(29209): SSL_SERVER_I_DN: CN=Let's Encrypt Authority X3,O=Let's Encrypt,C=US ** Affects: mailman (Ubuntu) Importance: Undecided Status: New ** Project changed: mailman => mailman (Ubuntu) -- You received this bug notification because you are a member of Mailman Coders, which is subscribed to GNU Mailman. https://bugs.launchpad.net/bugs/1602608 Title: mailman crash for subscription in webinterface To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mailman/+bug/1602608/+subscription...