Full Disclosure mailing list archives
Re: Fwd: VSFTPD Remote Heap Overrun (low severity)
From: Ramon de C Valle <rcvalle () redhat com>
Date: Mon, 12 Dec 2011 17:09:44 -0500 (EST)
To fill in the SELinux details for the people following along at home: The problem is that at open() time, there's no good way to specify what the expected label is (now *that* might be an interesting extention to open() for some enterprisng grad student) - so as long as the file has *any* foo_t label that the program is allowed to access, the open() will succeed. There's no way for it to say "I'm opening what *should* be a locale_t file, so if I'm being coerced into opening a user_foo_t, please nuke the request".
Exactly. Thanks for putting this into more concise wording.
-- Ramon de C Valle / Red Hat Security Response Team _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
Current thread:
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity), (continued)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) GloW - XD (Dec 09)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) GloW - XD (Dec 09)
- Re: VSFTPD Remote Heap Overrun (low severity) Ramon de C Valle (Dec 12)
- Fwd: VSFTPD Remote Heap Overrun (low severity) HI-TECH . (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Ramon de C Valle (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Daniel J Walsh (Dec 13)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Ramon de C Valle (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Daniel J Walsh (Dec 13)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Ramon de C Valle (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Valdis . Kletnieks (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Ramon de C Valle (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) lists (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Valdis . Kletnieks (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Ramon de C Valle (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Valdis . Kletnieks (Dec 12)
- Fwd: VSFTPD Remote Heap Overrun (low severity) HI-TECH . (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Ramon de C Valle (Dec 12)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Daniel J Walsh (Dec 13)
- Re: Fwd: VSFTPD Remote Heap Overrun (low severity) Ramon de C Valle (Dec 13)