Bash considered harmful

Date

5 May 2020

Validations

138 Compromissions 8%

Note

5 Votes

Description

A self-claimed shell guru tried to list some good bash habits, but blatantly failed. He wrote this script as a privileged user and made mistakes. Find the bug(s) and get the flags :

Challenge "Bash considered harmful" flag in /root/flag
CTF-ATD flag in /passwd

Credentials : sysadmin / sysadmin

Compromission time

2 hours

Operating system

linux

start this virtual environnement

177 Virtual Environnements

Results	Name	Validations	Difficulty	Author	Note
	Challenge SecuriTech	1% 13
	Windows XP pro 01	5% 498		g0uZ
	Exploit KB Vulnerable Web App	12% 306
	Holynix v1	24% 292
	Kioptrix level 2	24% 972
	Kioptrix level 3	32% 575
	Kioptrix level 4	34% 462
	LAMP security CTF4	35% 2725
	LAMP security CTF5	25% 3894
	LAMP security CTF6	18% 606
	Metasploitable	12% 1733
	Metasploitable 2	40% 8658
	Moth	20% 107
	pWnOS	32% 402
	Ubuntu 8.04 weak	5% 206		g0uZ
	Ultimate LAMP	18% 148
	VulnVoIP	17% 861
	VulnVPN	12% 60
	LAMP security CTF8	14% 291
	LAMP security CTF7	39% 891
	Hackademic RTB1	19% 364
	No Exploiting Me	14% 54
	SamBox v1	7% 727		sambecks
	SamBox v2	13% 990		sambecks
	RA1NXing Bots	7% 16
	Murdering Dexter	16% 49
	LoBOTomy	4% 9
	Vulnix	2% 13
	Xerxes	3% 18
	Infernal Hades	6% 15
	SkyTower	24% 214
	Bluebox - Microsoft Pentest	4% 420
	Acid: Reloaded	18% 176
	Acid: Server	12% 219
	CsharpVulnJson	5% 14		notfound404
	CsharpVulnSoap	9% 8
	/dev/random : Pipe	5% 236
	/dev/random : Relativity	7% 97
	/dev/random : Sleepy	4% 44
	brainpan1	4% 82
	LordoftheRoot	25% 232
	Flick 1	8% 64
	Flick 2	10% 10
	FristiLeaks 1.3	28% 216
	The Purge	5% 14
	SickOs: 1.1	13% 91
	Xerxes: 2.0.1	13% 20
	brainpan2	9% 22
	brainpan3	6% 6
	SAP Pentest	7% 293		iggy