[openssl-dev] [openssl.org #4651] [BUG] malloc_failure in ASN1_D2I_READ_BIO with large smime encoded file

[Stephen Henson via RT]

On Thu Aug 18 14:01:03 2016, bmorton at mortoninsights.com wrote:
> Ok, so this might be a separate issue. Please let me know what you think
> and I can file. The issue is pretty much irrelevant since you can't
> decrypt anything over 1.5G.
>
> Try this:
>
> bmorton at athens:~$ dd if=/dev/urandom of=sample.txt bs=512K count=6144
> 6144+0 records in
> 6144+0 records out
> 3221225472 bytes (3.2 GB) copied, 205.387 s, 15.7 MB/s
> bmorton at athens:~$ openssl smime -encrypt -binary -text -aes256 -in
> sample.txt -out sample.txt.enc -outform DER mysqldump-secure.pub.pem
> bmorton at athens:~$ ls -lh | grep sample
> -rw-rw-r-- 1 bmorton bmorton 3.0G Aug 18 09:48 sample.txt
> -rw-rw-r-- 1 bmorton bmorton 1.9G Aug 18 09:56 sample.txt.enc
> bmorton at athens:~$ cat sample.txt | openssl smime -encrypt -binary -text
> -aes256 -out sample.txt.enc -outform DER mysqldump-secure.pub.pem
> bmorton at athens:~$ ls -lh | grep sample
> -rw-rw-r-- 1 bmorton bmorton 3.0G Aug 18 09:48 sample.txt
> -rw-rw-r-- 1 bmorton bmorton 1.9G Aug 18 09:59 sample.txt.enc
>

Try it with the -stream option.

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org

-- 
Ticket here: http://rt.openssl.org/Ticket/Display.html?id=4651
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