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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