Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 26 Jul 2016 21:32:03 -0400 (EDT)
From: cve-assign@...re.org
To: hanno@...eck.de
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: Use after free in my_login() function of DBD::mysql (Perl module)

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

> https://blog.fuzzing-project.org/50-Use-after-free-in-my_login-function-of-DBDmysql-Perl-module.html
> 
> DBD::mysql versions 4.033 and earlier have a use after free bug in the
> my_login() function. DBD::mysql is a Perl module providing bindings to
> the mysql database. The issue was fixed in version 4.034.
> 
> https://github.com/perl5-dbi/DBD-mysql/pull/45

>> When my_login fails the code tries to call mysql_errno on the mysql
>> connection. However my_login has already free'd that connection
>> variable, therefore causing a use-after-free error.
>> 
>> This patch changes that so that the free happens after the call to the
>> error functions.
>> 
>> https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156

Use CVE-2015-8949.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=fO5Z
-----END PGP SIGNATURE-----

Powered by blists - more mailing lists

Your e-mail address:

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.