Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Wed, 05 Feb 2020 11:22:45 -0700
From: "Todd C. Miller" <Todd.Miller@...o.ws>
To: oss-security@...ts.openwall.com
Subject: Re: CVE-2019-18634: buffer overflow in sudo when pwfeedback is enabled

On Wed, 05 Feb 2020 22:34:53 +1100, William Bowling wrote:

> When using a pty, sudo_term_eof and sudo_term_kill are initialized to 0x4
> and 0x15 allowing the overflow to be reached, making 1.8.26-1.8.30 also
> vulnerable:

Thanks for sharing the pty exploitation method.  I've updated the
details in https://www.sudo.ws/alerts/pwfeedback.html to make it
clear that the bug is not specific to piped input.

 - todd

Powered by blists - more mailing lists

Your e-mail address:

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.