X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=doc%2Fsource%2Fchangelog.sgml;h=c6d086e1e07d40a684b545f0ddff91eaec5bb8de;hp=48b759d0e948bef293a96ad2dfaebd7a6256fe49;hb=4ad9657a5d71fb6edf7322167097fa33dc1d71b4;hpb=6037105441ffb502aeb2cb708dd282de53f67f66 diff --git a/doc/source/changelog.sgml b/doc/source/changelog.sgml index 48b759d0..c6d086e1 100644 --- a/doc/source/changelog.sgml +++ b/doc/source/changelog.sgml @@ -24,59 +24,65 @@ --> - Privoxy 3.0.32 fixes multiple DoS issues - and a couple of other bugs. The issues also affect earlier Privoxy - releases. + Privoxy 3.0.33 fixes an XSS issue + and multiple DoS issues and a couple of other bugs. + The issues also affect earlier Privoxy releases. + Privoxy 3.0.33 also comes with + a couple of general improvements an new features. - - Changes in Privoxy 3.0.32 stable: - - + + Changes in Privoxy 3.0.33 stable: + + - Security/Reliability: + Bug fixes: - ssplit(): Remove an assertion that could be triggered with a - crafted CGI request. - Commit 2256d7b4d67. OVE-20210203-0001. - Reported by: Joshua Rogers (Opera) + handle_established_connection(): Skip the poll()/select() calls + if TLS data is pending on the server socket. The TLS library may + have already consumed all the data from the server response in + which case poll() and select() will not detect that data is + available to be read. + Fixes SF bug #926 reported by Wen Yue. - cgi_send_banner(): Overrule invalid image types. Prevents a - crash with a crafted CGI request if Privoxy is toggled off. - Commit e711c505c48. OVE-20210206-0001. - Reported by: Joshua Rogers (Opera) + continue_https_chat(): Update csp->server_connection.request_sent + after sending the request to make sure the latency is calculated + correctly. Previously https connections were not reused after + timeout seconds after the first request made on the connection. - socks5_connect(): Don't try to send credentials when none are - configured. Fixes a crash due to a NULL-pointer dereference - when the socks server misbehaves. - Commit 85817cc55b9. OVE-20210207-0001. - Reported by: Joshua Rogers (Opera) + free_pattern_spec(): Don't try to free an invalid pointer + when unloading an action file with a TAG pattern while + Privoxy has been compiled without FEATURE_PCRE_HOST_PATTERNS. + Closes: SF patch request #147. Patch by Maxim Antonov. - chunked_body_is_complete(): Prevent an invalid read of size two. - Commit a912ba7bc9c. OVE-20210205-0001. - Reported by: Joshua Rogers (Opera) + Establish the TLS connection with the client earlier and decide + how to route the request afterwards. This allows to change the + forwarding settings based on information from the https-inspected + request, for example the path. - Obsolete pcre: Prevent invalid memory accesses with an invalid - pattern passed to pcre_compile(). Note that the obsolete pcre code - is scheduled to be removed before the 3.0.33 release. There has been - a warning since 2008 already. - Commit 28512e5b624. OVE-20210222-0001. - Reported by: Joshua Rogers (Opera) + Adjust build_request_line() to create a CONNECT request line when + https-inspecting and forwarding to a HTTP proxy. + Fixes SF bug #925 reported by Wen Yue. + + + + + load_config(): Add a space that was missing in a log message. @@ -84,91 +90,182 @@ - Bug fixes: + General improvements: - Properly parse the client-tag-lifetime directive. Previously it was - not accepted as an obsolete hash value was being used. - Reported by: Joshua Rogers (Opera) + serve(): Close the client socket as well if the server socket + for an inspected connection has been closed. Privoxy currently + can't establish a new server connection when the client socket + is reused and would drop the connection in continue_https_chat() + anyway. + + + + + Don't disable redirect checkers in redirect_url() + Disable them in handle_established_connection() instead. + Doing it in redirect_url() prevented the +redirect{} and + +fast-redirects{} actions from being logged with LOG_LEVEL_ACTIONS. + + + + + handle_established_connection(): Slightly improve a comment + + + + + handle_established_connection(): Fix a comment + + + + + socks5_connect(): Fix indentation. + + + + + handle_established_connection(): Improve an error message + + + + + create_pattern_spec(): Fix ifdef indentation + + + + + Fix comment typos + + + + + Add a CGI handler for /wpad.dat that returns a + Proxy Auto-Configuration (PAC) file. + Among other things, it can be used to instruct clients + through DHCP to use Privoxy as proxy. + For example with the dnsmasq option: + dhcp-option=252,http://config.privoxy.org/wpad.dat + Initial patch by Richard Schneidt. + + + + + listen_loop(): When shutting down gracefully, close listening ports + before waiting for the threads to exit. + Allows to start a second Privoxy with the same config file + while the first Privoxy is still running. + + + + + Allow to edit the add-header action through the CGI editor by + generalizing the code that got added with the suppress-tag action. + Closes SF patch request #146. Patch by Maxim Antonov. + + + + + process_encrypted_request(): Improve a log message + The function only processes request headers and there + may still be unread request body data left to process. + + + + + read_http_request_body(): Fix two error messages that used an incorrect variable. + + + + + chat(): Log the applied actions before deciding how to forward the request. - decompress_iob(): Prevent reading of uninitialized data. - Reported by: Joshua Rogers (Opera). + parse_time_header(): Silence a coverity complaint when building without assertions. - decompress_iob(): Don't advance cur past eod when looking - for the end of the file name and comment. + receive_encrypted_request_headers(): Improve a log message - decompress_iob(): Cast value to unsigned char before shifting. - Prevents a left-shift of a negative value which is undefined behaviour. - Reported by: Joshua Rogers (Opera) + mbedTLS get_ciphersuites_from_string(): Use strlcpy() instead of strncpy(). + Previously the terminating NUL wasn't copied which resulted + in a compiler warning. This didn't cause actual problems as + the target buffer was initialized by zalloc_or_die() so the + last byte of the target buffer was NUL already. + Actually copying the terminating NUL seems clearer, though. - gif_deanimate(): Confirm that that we have enough data before doing - any work. Fixes a crash when fuzzing with an empty document. - Reported by: Joshua Rogers (Opera). + Remove compiler warnings. "log_error(LOG_LEVEL_FATAL, ..." doesn't return + but apparently the compiler doesn't know that. + Get rid of several "this statement may fall through [-Wimplicit-fallthrough=]" warnings. - buf_copy(): Fail if there's no data to write or nothing to do. - Prevents undefined behaviour "applying zero offset to null pointer". - Reported by: Joshua Rogers (Opera) + If the the response is chunk-encoded, ignore the Content-Length + header sent by the server. + Allows to load https://redmine.lighttpd.net/ with filtering enabled. - log_error(): Treat LOG_LEVEL_FATAL as fatal even when --stfu is - being used while fuzzing. - Reported by: Joshua Rogers (Opera). + Store the PEM certificate in a dynamically allocated buffer + when https-inspecting. Should prevent errors like: + 2021-03-16 22:36:19.148 7f47bbfff700 Error: X509 PEM cert len 16694 is larger than buffer len 16383 + As a bonus it should slightly reduce the memory usage as most + certificates are smaller than the previously used fixed buffer. + Reported by: Wen Yue - Respect DESTDIR when considering whether or not to install - config files with ".new" extension. + Don't log the applied actions in process_encrypted_request() + Log them in continue_https_chat() instead to mirror chat(). + Prevents the applied actions from getting logged twice + for the first request on an https-inspected connection. - OpenSSL ssl_store_cert(): Fix two error messages. + OpenSSL generate_host_certificate(): Use config.privoxy.org as Common Name + Org and Org Unit if the real host name is too long to get accepted by OpenSSL. + Clients should only care about the Subject Alternative Name + anyway and we can continue to use the real host name for it. + Reported by Miles Wen on privoxy-users@. - Fix a couple of format specifiers. + OpenSSL generate_host_certificate(): Fix two error messsages. - Silence compiler warnings when compiling with NDEBUG. + Improve description of handle_established_connection() - fuzz_server_header(): Fix compiler warning. + OpenSSL ssl_store_cert(): Translate EVP_PKEY_EC to a string. - fuzz_client_header(): Fix compiler warning. + OpenSSL ssl_store_cert(): Remove pointless variable initialization. - cgi_send_user_manual(): Also reject requests if the user-manual - directive specifies a https:// URL. Previously Privoxy would try and - fail to open a local file. + OpenSSL ssl_store_cert(): Initialize pointer with NULL instead of 0. @@ -176,76 +273,124 @@ - General improvements: + Action file improvements: - Log the TLS version and the the cipher when debug 2 is enabled. + Disable fast-redirects for .microsoftonline.com/. - ssl_send_certificate_error(): Respect HEAD requests by not sending a body. + Disable fast-redirects for idp.springer.com/. - ssl_send_certificate_error(): End the body with a single new line. + Disable fast-redirects for .zeit.de/zustimmung - serve(): Increase the chances that the host is logged when closing - a server socket. + Unblock adv-archiv.dfn-cert.de/ - handle_established_connection(): Add parentheses to clarify an expression - Suggested by: David Binderman + Block requests to eu-tlp01.kameleoon.eu/ - continue_https_chat(): Explicitly unset CSP_FLAG_CLIENT_CONNECTION_KEEP_ALIVE - if process_encrypted_request() fails. This makes it more obvious that the - connection will not be reused. Previously serve() relied on - CSP_FLAG_SERVER_CONTENT_LENGTH_SET and CSP_FLAG_CHUNKED being unset. - Inspired by a patch from Joshua Rogers (Opera). + Block requests to fpa-events.arstechnica.com/ - decompress_iob(): Add periods to a couple of log messages + Unblock nlnet.nl/. - Terminate the body of the HTTP snipplets with a single new line - instead of "\r\n". + Unblock adguard.com/. + + + + + + + + Privoxy-Log-Parser: + + + + Highlight 'Socket timeout 3 reached: http://127.0.0.1:20000/no-filter/chunked-content/36' + + + + + Improve documentation for inactivity-detection mode + + + + + Detect date changes when looking for inactivity + + + + + Add a --passed-request-statistics-threshold option + That can be set to get statistics for requests that + were passed. + + + + + Add a "inactivity detection" mode + Which can be useful for debugging purposes. + + + + + Bump version to 0.9.4 - configure: Add --with-assertions option and only enable assertions - when it is used + Only run print_intro() and print_outro() when syntax highlighting - windows build: Use --with-brotli and --with-mbedtls by default and - enable dynamic error checking. + Rephrase a sentence in the documentation - gif_deanimate(): Confirm we've got an image before trying to write it - Saves a pointless buf_copy() call. + Highlight 'Client socket 7 is no longer usable. The server socket has been closed.' - OpenSSL ssl_store_cert(): Remove a superfluous space before the serial number. + Clarify --statistics output + by explicitly mentioning that the status codes + sent by the server may differ from the ones in + "debug 512" messages. + + + + + Fix typo in the --statistics output + + + + + Remove an unused variable + + + + + Highlight 'The peer notified us that the connection on socket 11 is going to be closed' @@ -253,26 +398,43 @@ - Action file improvements: + Privoxy-Regression-Test: - Disable fast-redirects for .golem.de/ + Remove duplicated word in a comment. + + + + + + + + regression-tests.action: + + + + Add fetch test for http://p.p/wpad.dat. + + + + + Bump for-privoxy-version to 3.0.33 which introduced the wpad.dat support. - Unblock requests to adri*. + Add more tests for the '/send-banner' code. - Block requests for trc*.taboola.com/ + Add test for OVE-20210203-0001. - Disable fast-redirects for .linkedin.com/ + Add a test for CVE-2021-20217. @@ -280,36 +442,80 @@ - Filter file improvements: + uagen: - Make the second pcrs job of the img-reorder filter greedy again. - The ungreedy version broke the img tags on: - https://bulk.fefe.de/scalability/. + Bump generated Firefox version to 91 (ESR) + + + Bump version to 1.2.3 + + + + + Bump copyright + + - Privoxy-Log-Parser: + Build system: - Highlight a few more messages. + configure: Bump SOURCE_DATE_EPOCH. + + + + + GNUmakefile.in: Fix typo. + + + + + configure: Add another warning in case --disable-pthread is used + while POSIX threads are available. + Various features don't even compile when not using threads. + + + + + Add configure option to enable MemorySanitizer. - Clarify the --statistics output. The shown "Reused connections" - are server connections so name them appropriately. + Add configure option to enable UndefinedBehaviorSanitizer. - Bump version to 0.9.3. + Add configure option to enable AddressSanitizer. + + + + + Bump copyright + + + + + Add a configure option to disable pcre JIT compilation. + While JIT compilation makes filtering faster it can + cause false-positive valgrind complaints. + As reported by Gwyn Ciesla in SF bug 924 it also can + cause problems when the SELinux policy does not grant + Privoxy "execmem" privileges. + + + + + configure: Remove obsolete RPM_BASE check @@ -317,16 +523,21 @@ - Privoxy-Regression-Test: + Windows build system: - Add the --check-bad-ssl option to the --help output. + Update the build script to use mbed tls version 2.6.11. + + + + + Update build script to use the final 8.45 pcre library. - Bump version to 0.7.3. + Put all the '--enable-xxx' options in the configure call together. @@ -338,20 +549,75 @@ - Add pushing the created tag to the release steps in the developer manual. + contacting: Remove obsolete reference to announce.sgml. - Clarify that 'debug 32768' should be used in addition to the other debug - directives when reporting problems. + contacting: Request that the browser cache is cleared before + producing a log file for submission. - + + + + Sponsor FAQ: Note that Privoxy users may follow sponsor links + without Referer header set. + + + + + newfeatures: Clarify that https inspection also allows to + filter https responses. + + - Add a 'Third-party licenses and copyrights' section to the user manual. + developer-manual: Mention that announce.txt should be updated + when doing a release. + + + config: Explicitly mention that the CGI pages disclosing the + ca-password can be blocked and upgrade the disclosure paragraphs + to a warning. + + + + + Put all the requested debug options in the config file. + Section 11.1 of the Privoxy user manual lists all the debug + options that should be enabled when reporting problems or requesting support. + Make it easier for users to do the right thing by having all those + options present in the config. + + + + + Update TODO list item #184 to note that WolfSSL support will + (hopefully) appear after the 3.0.34 release + + + + + Update max-client-connections's description. + On modern systems other than Windows Privoxy should + use poll() in which case the FD_SETSIZE value isn't + releveant. + + + + + Add a warning that the socket-timeout does not apply + to operations done by TLS libraries + + + + + Make documentation slightly less "offensive" for some people + by avoiding the word "hell". + +