oss-sec mailing list archives
Re: TTY pushback vulnerabilities / TIOCSTI
From: Peter Bex <peter () more-magic net>
Date: Tue, 14 Mar 2023 11:46:33 +0100
On Tue, Mar 14, 2023 at 09:51:03AM +0100, Hanno Böck wrote:
This seems to be the only real mitigation for this issue. It appears su has a parameter, and in sudo one can configure the creation of a new pty in the sudoers file. I don't consider these as satisfying fixes, as they are optinal, and thus rely on the expectation that users are aware of this risk and manually use these mitigations. That does not seem realistic to me.
Indeed, opendoas (the portable version of OpenBSD's "doas") has this exact bug as well: https://github.com/Duncaen/OpenDoas/issues/106 Cheers, Peter
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Current thread:
- TTY pushback vulnerabilities / TIOCSTI Hanno Böck (Mar 14)
- Re: TTY pushback vulnerabilities / TIOCSTI Jakub Wilk (Mar 14)
- Re: TTY pushback vulnerabilities / TIOCSTI Hanno Böck (Mar 17)
- Re: TTY pushback vulnerabilities / TIOCSTI Jakub Wilk (Mar 17)
- Re: TTY pushback vulnerabilities / TIOCSTI Hanno Böck (Mar 19)
- Re: TTY pushback vulnerabilities / TIOCSTI Jakub Wilk (Mar 21)
- Re: TTY pushback vulnerabilities / TIOCSTI Hanno Böck (Mar 24)
- Re: TTY pushback vulnerabilities / TIOCSTI Hanno Böck (Mar 17)
- Re: TTY pushback vulnerabilities / TIOCSTI Jakub Wilk (Mar 14)
- Re: TTY pushback vulnerabilities / TIOCSTI Lyndon Nerenberg (VE7TFX/VE6BBM) (Mar 18)
- Re: TTY pushback vulnerabilities / TIOCSTI Christos Zoulas (Mar 18)
- Re: TTY pushback vulnerabilities / TIOCSTI Eric Ashley (Mar 18)
- Re: TTY pushback vulnerabilities / TIOCSTI Hanno Böck (Mar 14)
- Re: TTY pushback vulnerabilities / TIOCSTI Peter Bex (Mar 14)
- Re: TTY pushback vulnerabilities / TIOCSTI Fabian Keil (Mar 15)
- Re: TTY pushback vulnerabilities / TIOCSTI Dave Horsfall (Mar 15)
- Re: TTY pushback vulnerabilities / TIOCSTI Casper Dik (Mar 15)
- Re: TTY pushback vulnerabilities / TIOCSTI Hanno Böck (Mar 15)
- Re: TTY pushback vulnerabilities / TIOCSTI Jan Engelhardt (Mar 15)
- Re: TTY pushback vulnerabilities / TIOCSTI Ed Maste (Mar 17)