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Red Hat Bugzilla – Attachment 579488 Details for
Bug 815281
ovector buffer overflow in pcre_exec if back-references are greater then ovector and they are not used
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Reproducer
reproducer.c (text/plain), 552 bytes, created by
Petr Pisar
on 2012-04-23 10:49:31 UTC
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Description:
Reproducer
Filename:
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Creator:
Petr Pisar
Created:
2012-04-23 10:49:31 UTC
Size:
552 bytes
patch
obsolete
>// $ gcc pcre-poc.c -o pcre-poc -I /usr/local/include/ -L /usr/local/lib -lpcre >// $ ./pcre-poc > >#include <stdio.h> >#include <stdlib.h> >#include <string.h> >#include <pcre.h> > >int main(int argc, char *argv[]) >{ > char *str = "ABCDGHI"; > const char *error; > int error_offset; > //int ovector[3]; > int *ovector = malloc(3*sizeof(int)); > > pcre *re = pcre_compile("AB(C(D))(E(F))?(?(?=\\2)(?=\\4))", 0, &error, &error_offset, NULL); > (void)pcre_exec(re, NULL, str, strlen(str), 0, 0, ovector, 3); > > return 0; >} >
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bug 815281
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