zsh-workers
 help / color / mirror / code / Atom feed
From: "Daniel Shahaf" <d.s@daniel.shahaf.name>
To: "David Wells" <bughunters@tenable.com>
Cc: zsh-workers@zsh.org
Subject: Re: Zsh - Multiple DoS Vulnerabilities
Date: Tue, 14 May 2019 21:24:22 +0000	[thread overview]
Message-ID: <0b921306-f67c-4971-b9ea-8657c573c5f1@www.fastmail.com> (raw)
In-Reply-To: <20190514181026.u4myftmekdtqkhme@chaz.gmail.com>

Stephane Chazelas wrote on Tue, 14 May 2019 18:11 +00:00:
> IMO, from a security standpoint, it's not very useful to fuzz
> "code" input provided to zsh, as anyway any "code" allows zsh to
> run any arbitrary command (except for the restricted mode). In
> other words, the "code" is generally not the attacker supplied
> data.

Sounds right.  There might be some corner case here 

> You could fuzz environment variables (the ones zsh cares
> about) or other attacker-controlled data fed to zsh scripts like
> "limits" instead.

  reply	other threads:[~2019-05-14 21:25 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-10 15:03 David Wells
2019-05-10 16:37 ` Bart Schaefer
2019-05-12 16:21   ` Stephane Chazelas
2019-05-13 16:29     ` David Wells
2019-05-13 22:02       ` Bart Schaefer
2019-05-14 18:10       ` Stephane Chazelas
2019-05-14 21:24         ` Daniel Shahaf [this message]
2019-05-14 21:38           ` Bart Schaefer
2019-05-14 21:39         ` Daniel Shahaf
2019-05-14 22:25           ` Bart Schaefer
2019-05-15 10:48             ` Daniel Shahaf
2019-05-31 12:05     ` [PATCH] [doc] [repost] warnings about restricted shell (Was: Zsh - Multiple DoS Vulnerabilities) Stephane Chazelas
2019-06-03  9:35       ` Peter Stephenson
2019-06-04  2:39       ` dana
2019-06-04  7:34         ` dana
2019-05-10 20:27 ` Zsh - Multiple DoS Vulnerabilities Bart Schaefer
2019-05-11  1:45   ` #7 (typeset -Tp) (was Re: Zsh - Multiple DoS Vulnerabilities) Oliver Kiddle
2019-05-13  9:01     ` Peter Stephenson
2019-05-13 21:11   ` PATCH: #6 negative job id (Re: " Oliver Kiddle
2019-05-13 21:44   ` Zsh - Multiple DoS Vulnerabilities Oliver Kiddle
2019-05-13 22:36   ` #3 typeset and braces (Re: Zsh - Multiple DoS Vulnerabilities) Oliver Kiddle
2019-05-14  0:13     ` Mikael Magnusson
2019-05-14  5:38       ` Bart Schaefer
2019-05-14 10:50     ` Peter Stephenson
2019-05-14 16:38   ` Zsh - Multiple DoS Vulnerabilities Peter Stephenson
2019-05-14 20:30   ` Oliver Kiddle
2019-05-15 16:50     ` Mikael Magnusson
2019-05-16 20:37     ` Peter Stephenson
2019-05-17 13:41       ` Mikael Magnusson
2019-05-17 13:51         ` Mikael Magnusson
2019-05-17 14:28           ` Mikael Magnusson
2019-05-18 10:31           ` Oliver Kiddle
2019-05-21 14:43             ` Oliver Kiddle
     [not found]               ` <CGME20190521154256eucas1p1f0816d2467abd8bf4a0c31058af2983a@eucas1p1.samsung.com>
2019-05-21 15:42                 ` Peter Stephenson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=0b921306-f67c-4971-b9ea-8657c573c5f1@www.fastmail.com \
    --to=d.s@daniel.shahaf.name \
    --cc=bughunters@tenable.com \
    --cc=zsh-workers@zsh.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.vuxu.org/mirror/zsh/

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).