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Add check for evasion using double quote inside multipart boundary.

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ivanr 2007-08-10 14:37:04 +00:00
parent 25fb1b2629
commit d0ac05c3ea
1 changed files with 5 additions and 0 deletions
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5
apache2/msc_multipart.c
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@ -567,6 +567,11 @@ int multipart_init(modsec_rec *msr, char **error_msg) {
/* Quoted. */
msr->mpd->boundary = apr_pstrndup(msr->mp, b + 1, len - 2);
msr->mpd->flag_boundary_quoted = 1;
if (strstr(msr->mpd->boundary, "\"") != NULL) {
*error_msg = apr_psprintf(msr->mp, "Invalid boundary (quote).");
return -1;
}
} else {
/* Not quoted. */
msr->mpd->boundary = apr_pstrdup(msr->mp, b);