Mercurial > hg > nginx
view auto/sources @ 7094:c7d4017c8876
Secure link: fixed stack buffer overflow.
When secure link checksum has length of 23 or 24 bytes, decoded base64 value
could occupy 17 or 18 bytes which is more than 16 bytes previously allocated
for it on stack. The buffer overflow does not have any security implications
since only one local variable was corrupted and this variable was not used in
this case.
The fix is to increase buffer size up to 18 bytes. Useless buffer size
initialization is removed as well.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Tue, 22 Aug 2017 21:22:59 +0300 |
parents | 56fc55e32f23 |
children | 88a624c9b491 |
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# Copyright (C) Igor Sysoev # Copyright (C) Nginx, Inc. CORE_MODULES="ngx_core_module ngx_errlog_module ngx_conf_module" CORE_INCS="src/core" CORE_DEPS="src/core/nginx.h \ src/core/ngx_config.h \ src/core/ngx_core.h \ src/core/ngx_log.h \ src/core/ngx_palloc.h \ src/core/ngx_array.h \ src/core/ngx_list.h \ src/core/ngx_hash.h \ src/core/ngx_buf.h \ src/core/ngx_queue.h \ src/core/ngx_string.h \ src/core/ngx_parse.h \ src/core/ngx_parse_time.h \ src/core/ngx_inet.h \ src/core/ngx_file.h \ src/core/ngx_crc.h \ src/core/ngx_crc32.h \ src/core/ngx_murmurhash.h \ src/core/ngx_md5.h \ src/core/ngx_sha1.h \ src/core/ngx_rbtree.h \ src/core/ngx_radix_tree.h \ src/core/ngx_rwlock.h \ src/core/ngx_slab.h \ src/core/ngx_times.h \ src/core/ngx_shmtx.h \ src/core/ngx_connection.h \ src/core/ngx_cycle.h \ src/core/ngx_conf_file.h \ src/core/ngx_module.h \ src/core/ngx_resolver.h \ src/core/ngx_open_file_cache.h \ src/core/ngx_crypt.h \ src/core/ngx_proxy_protocol.h \ src/core/ngx_syslog.h" CORE_SRCS="src/core/nginx.c \ src/core/ngx_log.c \ src/core/ngx_palloc.c \ src/core/ngx_array.c \ src/core/ngx_list.c \ src/core/ngx_hash.c \ src/core/ngx_buf.c \ src/core/ngx_queue.c \ src/core/ngx_output_chain.c \ src/core/ngx_string.c \ src/core/ngx_parse.c \ src/core/ngx_parse_time.c \ src/core/ngx_inet.c \ src/core/ngx_file.c \ src/core/ngx_crc32.c \ src/core/ngx_murmurhash.c \ src/core/ngx_md5.c \ src/core/ngx_sha1.c \ src/core/ngx_rbtree.c \ src/core/ngx_radix_tree.c \ src/core/ngx_slab.c \ src/core/ngx_times.c \ src/core/ngx_shmtx.c \ src/core/ngx_connection.c \ src/core/ngx_cycle.c \ src/core/ngx_spinlock.c \ src/core/ngx_rwlock.c \ src/core/ngx_cpuinfo.c \ src/core/ngx_conf_file.c \ src/core/ngx_module.c \ src/core/ngx_resolver.c \ src/core/ngx_open_file_cache.c \ src/core/ngx_crypt.c \ src/core/ngx_proxy_protocol.c \ src/core/ngx_syslog.c" EVENT_MODULES="ngx_events_module ngx_event_core_module" EVENT_INCS="src/event src/event/modules" EVENT_DEPS="src/event/ngx_event.h \ src/event/ngx_event_timer.h \ src/event/ngx_event_posted.h \ src/event/ngx_event_connect.h \ src/event/ngx_event_pipe.h" EVENT_SRCS="src/event/ngx_event.c \ src/event/ngx_event_timer.c \ src/event/ngx_event_posted.c \ src/event/ngx_event_accept.c \ src/event/ngx_event_connect.c \ src/event/ngx_event_pipe.c" SELECT_MODULE=ngx_select_module SELECT_SRCS=src/event/modules/ngx_select_module.c WIN32_SELECT_SRCS=src/event/modules/ngx_win32_select_module.c POLL_MODULE=ngx_poll_module POLL_SRCS=src/event/modules/ngx_poll_module.c KQUEUE_MODULE=ngx_kqueue_module KQUEUE_SRCS=src/event/modules/ngx_kqueue_module.c DEVPOLL_MODULE=ngx_devpoll_module DEVPOLL_SRCS=src/event/modules/ngx_devpoll_module.c EVENTPORT_MODULE=ngx_eventport_module EVENTPORT_SRCS=src/event/modules/ngx_eventport_module.c EPOLL_MODULE=ngx_epoll_module EPOLL_SRCS=src/event/modules/ngx_epoll_module.c IOCP_MODULE=ngx_iocp_module IOCP_SRCS=src/event/modules/ngx_iocp_module.c FILE_AIO_SRCS="src/os/unix/ngx_file_aio_read.c" LINUX_AIO_SRCS="src/os/unix/ngx_linux_aio_read.c" UNIX_INCS="$CORE_INCS $EVENT_INCS src/os/unix" UNIX_DEPS="$CORE_DEPS $EVENT_DEPS \ src/os/unix/ngx_time.h \ src/os/unix/ngx_errno.h \ src/os/unix/ngx_alloc.h \ src/os/unix/ngx_files.h \ src/os/unix/ngx_channel.h \ src/os/unix/ngx_shmem.h \ src/os/unix/ngx_process.h \ src/os/unix/ngx_setaffinity.h \ src/os/unix/ngx_setproctitle.h \ src/os/unix/ngx_atomic.h \ src/os/unix/ngx_gcc_atomic_x86.h \ src/os/unix/ngx_thread.h \ src/os/unix/ngx_socket.h \ src/os/unix/ngx_os.h \ src/os/unix/ngx_user.h \ src/os/unix/ngx_dlopen.h \ src/os/unix/ngx_process_cycle.h" # add to UNIX_DEPS # src/os/unix/ngx_gcc_atomic_amd64.h \ # src/os/unix/ngx_gcc_atomic_sparc64.h \ # src/os/unix/ngx_gcc_atomic_ppc.h \ # src/os/unix/ngx_sunpro_atomic_sparc64.h \ # src/os/unix/ngx_sunpro_x86.il \ # src/os/unix/ngx_sunpro_amd64.il \ # src/os/unix/ngx_sunpro_sparc64.il \ UNIX_SRCS="$CORE_SRCS $EVENT_SRCS \ src/os/unix/ngx_time.c \ src/os/unix/ngx_errno.c \ src/os/unix/ngx_alloc.c \ src/os/unix/ngx_files.c \ src/os/unix/ngx_socket.c \ src/os/unix/ngx_recv.c \ src/os/unix/ngx_readv_chain.c \ src/os/unix/ngx_udp_recv.c \ src/os/unix/ngx_send.c \ src/os/unix/ngx_writev_chain.c \ src/os/unix/ngx_udp_send.c \ src/os/unix/ngx_udp_sendmsg_chain.c \ src/os/unix/ngx_channel.c \ src/os/unix/ngx_shmem.c \ src/os/unix/ngx_process.c \ src/os/unix/ngx_daemon.c \ src/os/unix/ngx_setaffinity.c \ src/os/unix/ngx_setproctitle.c \ src/os/unix/ngx_posix_init.c \ src/os/unix/ngx_user.c \ src/os/unix/ngx_dlopen.c \ src/os/unix/ngx_process_cycle.c" POSIX_DEPS=src/os/unix/ngx_posix_config.h THREAD_POOL_MODULE=ngx_thread_pool_module THREAD_POOL_DEPS=src/core/ngx_thread_pool.h THREAD_POOL_SRCS="src/core/ngx_thread_pool.c src/os/unix/ngx_thread_cond.c src/os/unix/ngx_thread_mutex.c src/os/unix/ngx_thread_id.c" FREEBSD_DEPS="src/os/unix/ngx_freebsd_config.h src/os/unix/ngx_freebsd.h" FREEBSD_SRCS=src/os/unix/ngx_freebsd_init.c FREEBSD_SENDFILE_SRCS=src/os/unix/ngx_freebsd_sendfile_chain.c LINUX_DEPS="src/os/unix/ngx_linux_config.h src/os/unix/ngx_linux.h" LINUX_SRCS=src/os/unix/ngx_linux_init.c LINUX_SENDFILE_SRCS=src/os/unix/ngx_linux_sendfile_chain.c SOLARIS_DEPS="src/os/unix/ngx_solaris_config.h src/os/unix/ngx_solaris.h" SOLARIS_SRCS=src/os/unix/ngx_solaris_init.c SOLARIS_SENDFILEV_SRCS=src/os/unix/ngx_solaris_sendfilev_chain.c DARWIN_DEPS="src/os/unix/ngx_darwin_config.h src/os/unix/ngx_darwin.h" DARWIN_SRCS=src/os/unix/ngx_darwin_init.c DARWIN_SENDFILE_SRCS=src/os/unix/ngx_darwin_sendfile_chain.c WIN32_INCS="$CORE_INCS $EVENT_INCS src/os/win32" WIN32_DEPS="$CORE_DEPS $EVENT_DEPS \ src/os/win32/ngx_win32_config.h \ src/os/win32/ngx_time.h \ src/os/win32/ngx_errno.h \ src/os/win32/ngx_alloc.h \ src/os/win32/ngx_files.h \ src/os/win32/ngx_shmem.h \ src/os/win32/ngx_process.h \ src/os/win32/ngx_atomic.h \ src/os/win32/ngx_thread.h \ src/os/win32/ngx_socket.h \ src/os/win32/ngx_os.h \ src/os/win32/ngx_user.h \ src/os/win32/ngx_dlopen.h \ src/os/win32/ngx_process_cycle.h" WIN32_CONFIG=src/os/win32/ngx_win32_config.h WIN32_SRCS="$CORE_SRCS $EVENT_SRCS \ src/os/win32/ngx_errno.c \ src/os/win32/ngx_alloc.c \ src/os/win32/ngx_files.c \ src/os/win32/ngx_shmem.c \ src/os/win32/ngx_time.c \ src/os/win32/ngx_process.c \ src/os/win32/ngx_thread.c \ src/os/win32/ngx_socket.c \ src/os/win32/ngx_wsarecv.c \ src/os/win32/ngx_wsarecv_chain.c \ src/os/win32/ngx_udp_wsarecv.c \ src/os/win32/ngx_wsasend.c \ src/os/win32/ngx_wsasend_chain.c \ src/os/win32/ngx_win32_init.c \ src/os/win32/ngx_user.c \ src/os/win32/ngx_dlopen.c \ src/os/win32/ngx_event_log.c \ src/os/win32/ngx_process_cycle.c \ src/event/ngx_event_acceptex.c" NGX_WIN32_ICONS="src/os/win32/nginx.ico" NGX_WIN32_RC="src/os/win32/nginx.rc" HTTP_FILE_CACHE_SRCS=src/http/ngx_http_file_cache.c