Date: Mon, 7 Jul 2014 14:05:56 +0200 From: Marcus Meissner <meissner@...e.de> To: oss-security@...ts.openwall.com Subject: Re: default cipher suites in curl On Mon, Jul 07, 2014 at 12:46:42PM +1000, Michael Samuel wrote: > Hi, > > On 2 July 2014 01:44, Marcus Meissner <meissner@...e.de> wrote: > > Clients using the library could however set ciphers via > > an option, but as it would work without, they might not have. > > This will only happen when the server either doesn't support stronger > ciphers or when the server requests it's cipher order be honoured and > chooses export ciphers first. An attacker can't trigger this with SSLv3 > or TLS. I was more thinking of a man in the middle attack during the connection setup. > > Should it get a CVE? > > If a weak cipher was negotiated, it's because the server preferred this and > the client didn't care. There's no trust boundary crossed. " ... and the client did not care" is I think the point here. curl in that form would accept all weak ciphers. > An argument could be made that the clients would rather not establish a > connection at all than negotiate a weak cipher. Not sure if that counts for > CVE or just hardening? Thats my question here :) > Either way, this is a workaround for an OpenSSL bug. Ciao, Marcus
Powered by blists - more mailing lists
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.