diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-05-20 21:21:39 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-05-20 21:21:39 +0000 |
commit | 793f30e38f990e4f947f72fb73a99ee445a26bab (patch) | |
tree | 7e0ac9b9a81490f369976a2a0450c820ace64bfb | |
parent | 408b181d2cec08ca3d492ecf2a10208aefd76c57 (diff) |
* eval.c (rb_thread_atfork): When a ruby process forks, its random
seed shall be reinitialized to prevent CVE-2003-0900 situation.
This bug affects for 1.8 and earlier series, but not for 1.9.
fixed [ruby-core:34944].
* io.c (pipe_open): ditto.
* random.c (rb_reset_random_seed): ditto.
* intern.h (rb_reset_random_seed): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@31655 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 13 | ||||
-rw-r--r-- | eval.c | 1 | ||||
-rw-r--r-- | intern.h | 1 | ||||
-rw-r--r-- | io.c | 1 | ||||
-rw-r--r-- | random.c | 8 |
5 files changed, 23 insertions, 1 deletions
@@ -1,3 +1,16 @@ +Sat May 21 05:43:03 2011 URABE Shyouhei <[email protected]> + + * eval.c (rb_thread_atfork): When a ruby process forks, its random + seed shall be reinitialized to prevent CVE-2003-0900 situation. + This bug affects for 1.8 and earlier series, but not for 1.9. + fixed [ruby-core:34944]. + + * io.c (pipe_open): ditto. + + * random.c (rb_reset_random_seed): ditto. + + * intern.h (rb_reset_random_seed): ditto. + Sun May 15 21:43:09 2011 Akinori MUSHA <[email protected]> * lib/uri/generic.rb (#route_from_path): Fix a bug where @@ -13515,6 +13515,7 @@ rb_thread_atfork() { rb_thread_t th; + rb_reset_random_seed(); if (rb_thread_alone()) return; FOREACH_THREAD(th) { if (th != curr_thread) { @@ -392,6 +392,7 @@ VALUE rb_length_by_each _((VALUE)); /* random.c */ unsigned long rb_genrand_int32(void); double rb_genrand_real(void); +void rb_reset_random_seed(void); /* re.c */ int rb_memcmp _((const void*,const void*,long)); int rb_memcicmp _((const void*,const void*,long)); @@ -3274,6 +3274,7 @@ retry: rb_thread_stop_timer(); switch ((pid = fork())) { case 0: /* child */ + rb_thread_atfork(); if (modef & FMODE_READABLE) { close(pr[0]); if (pr[1] != 1) { @@ -488,9 +488,15 @@ rb_f_rand(argc, argv, obj) } void -Init_Random() +rb_reset_random_seed() { rand_init(random_seed()); +} + +void +Init_Random() +{ + rb_reset_random_seed(); rb_define_global_function("srand", rb_f_srand, -1); rb_define_global_function("rand", rb_f_rand, -1); rb_global_variable(&saved_seed); |