Bug 83766 - EVP_DecryptInit coredumps if ctx not initialized
EVP_DecryptInit coredumps if ctx not initialized
Product: Red Hat Linux
Classification: Retired
Component: openssl (Show other bugs)
i686 Linux
medium Severity medium
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Assigned To: Tomas Mraz
Brian Brock
Depends On:
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Reported: 2003-02-07 19:36 EST by Henrik Nordstrom
Modified: 2007-04-18 12:50 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2005-03-30 06:31:39 EST
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Description Henrik Nordstrom 2003-02-07 19:36:59 EST
From Bugzilla Helper:
User-Agent: Mozilla/4.77 [en] (X11; U; Linux 2.2.19-6.2.1 i586)

Description of problem:
Contrary to the documentation EVP_DecryptInit coredumps if the EVP context is
not initialized.


The OpenSSL team reports that this bug was fixed a couple of weeks ago.

Also received the following oneliner which from another user:

Date: Fri, 7 Feb 2003 11:57:35 -0800
From: Larry West <lwest@Entropia.com>
To: hno@marasystems.com
Subject: Re: [openssl.org #494] 0.9.7 EVP_DecryptInit coredumps if ctx not

I haven't checked, but this may already be fixed in the latest source.  In any
case, there's a one-line fix (I ran into the same problem): change
EVP_DecryptInit() so that it calls EVP_CipherInit() rather than

> my one line fix would be to change line 239
> of crypto\evp\evp_enc.c (in EVP_DecryptInit())
> from:
>       return EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, 0);
> to:
>       return EVP_CipherInit(ctx, cipher, key, iv, 0);

And the OpenSSL team response to this fix was:

From: Dr. Stephen Henson [mailto:steve@openssl.org]
Sent: Thursday, January 16, 2003 16:46
To: openssl-dev@openssl.org
Subject: Re: Apparent bug: OpenSSL 0.9.7 crypto/evp_enc.c

Agreed, fix being checked in. Thanks for the report.


The response I received from the OpenSSL team:

Date: Fri,  7 Feb 2003 21:05:07 +0100 (MET)
From: Stephen Henson via RT <rt@openssl.org>
To: hno@marasystems.com
Cc: openssl-dev@openssl.org
Subject: [openssl.org #494] 0.9.7 EVP_DecryptInit coredumps if ctx not

> Contrary to the documentation EVP_DecryptInit requires the ctx to be
> initialized in OpenSSL 0.9.7  (RedHat openssl 0.9.7-3 i686)

This was fixed a couple of weeks back. The fix is in any 0.9.7 stable
snapshot and will appear in 0.9.7.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
See OpenSSL bug report linked in the URL field.

Additional info:
Comment 1 Nalin Dahyabhai 2003-02-10 23:51:27 EST
Fixing in 0.9.7-6.  Thanks!

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