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Red Hat Bugzilla – Attachment 308913 Details for
Bug 450834
CVE-2008-2664 ruby: Unsafe use of alloca in rb_str_format()
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[patch]
Drew Yao's proposed patch against ruby 1.8.5
rb_str_format ruby1.8.5.patch (text/plain), 519 bytes, created by
Tomas Hoger
on 2008-06-11 09:42:54 UTC
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Description:
Drew Yao's proposed patch against ruby 1.8.5
Filename:
MIME Type:
Creator:
Tomas Hoger
Created:
2008-06-11 09:42:54 UTC
Size:
519 bytes
patch
obsolete
>--- string.c.orig 2008-04-22 11:19:38.000000000 -0700 >+++ string.c 2008-04-23 14:48:50.000000000 -0700 >@@ -458,10 +458,9 @@ > VALUE *argv; > > if (TYPE(arg) == T_ARRAY) { >- argv = ALLOCA_N(VALUE, RARRAY(arg)->len + 1); >- argv[0] = str; >- MEMCPY(argv+1, RARRAY(arg)->ptr, VALUE, RARRAY(arg)->len); >- return rb_f_sprintf(RARRAY(arg)->len+1, argv); >+ argv = rb_ary_dup(arg); >+ rb_ary_unshift(argv, str); >+ return rb_f_sprintf(RARRAY(arg)->len+1, RARRAY(argv)->ptr); > } > > argv = ALLOCA_N(VALUE, 2);
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