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Message-ID: <20130608115609.GC12877@gremlin.ru>
Date: Sat, 8 Jun 2013 15:56:09 +0400
From: gremlin@...mlin.ru
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: Debian's package "mysql-server" leaks credential information
On 08-Jun-2013 07:43:21 -0400, larry Cashdollar wrote:
>>> According to the bug report details that's a race condition.
>>> A malicious user is using a vulnerability in the way the
>>> installation script handles changing file permissions to disclose
>>> sensitive information.
>> Yes. And, once again, that's a misconfiguration - the file should
>> be created as 0600 root:root during installation and only after
>> that chmod() and chown() may be applied.
> I'd agree if this were a configuration file we were talking about,
> but it's an installation script.
So what? The installation script may contain the `umask 077` line,
can't it?
--
Alexey V. Vissarionov aka Gremlin from Kremlin <gremlin ПРИ gremlin ТЧК ru>
GPG key ID: 0xEF3B1FA8, keyserver: hkp://subkeys.pgp.net
GPG key fingerprint: 8832 FE9F A791 F796 8AC9 6E4E 909D AC45 EF3B 1FA8
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