Date: Sat, 7 Aug 2021 13:53:28 +0100 From: Stuart Henderson <stu@...cehopper.org> To: oss-security@...ts.openwall.com Subject: Re: Re: bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances) On 2021/08/07 04:49, Axel Beckert wrote: > Hi Thorsten, > > I'm dropping the lynx-specific recipients, i.e. lynx-dev and the bug > report… > > Thorsten Glaser wrote: > > Axel Beckert dixit: > > > This is more severe than it initially looked like: Due to TLS Server > > > Name Indication (SNI) the hostname as parsed by Lynx (i.e with > > > "user:pass@" included) is sent in _clear_ text over the wire even > > > > I *ALWAYS* SAID SNI IS A SHIT THING […] > > Don't blame the messenger. ;-) > > > Other browsers also need checking. > > Good idea. > > I just checked in Debian Unstable those tools I'd mostly expect with > such URLs and commandline usage: > > * Axel (sic! :-) 2.17.10-2 > * ELinks 0.13.2-1+b1 > * LibWWW-Perl (aka LWP) 6.53-1 via /usr/bin/GET > * Links/Links2 2.21-1+b1 > * Wget (1.21-1+b1) > * Wget2 (1.99.1-2.2) I've checked w3m 0.5.3+git20210102, curl 7.78.0, lftp 4.9.2 and OpenBSD's ftp, those are okay too.
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