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Bug #1596 base64_decode violates rfc2045
Submitted: 1999-06-24 12:16 UTC Modified: 1999-06-24 13:07 UTC
From: bfranklin at dct dot com Assigned:
Status: Closed Package: Misbehaving function
PHP Version: 3.0.9 OS: Solaris 2.7
Private report: No CVE-ID: None
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From: bfranklin at dct dot com
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 [1999-06-24 12:16 UTC] bfranklin at dct dot com 
base64_decode doesn't properly ignore characters that aren't in base64_table.

Here's a patch to fix the problem.

--- base64.c.orig       Sat Feb 27 10:11:08 1999
+++ base64.c    Thu Jun 24 11:04:31 1999
@@ -97,10 +97,7 @@
        while ((ch = *current++) != '\0') {
                if (ch == base64_pad) break;
                chp = strchr(base64_table, ch);
-               if (chp == NULL) {
-                       efree(result);
-                       return NULL;
-               }
+               if (chp == NULL) continue;
                ch = chp - base64_table;
 
                switch(i % 4) {

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 [1999-06-24 13:07 UTC] sas at cvs dot php dot net 
Thanks for the patch - applied.
 
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