Bash - unquoted expression injection

15 Points  0x0

Always quote your vars 😉

Author

sbrk,  

Level  Difficulty

Validations

7347 Challengers 3%

Note  Notation

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306 Votes

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solutions 5 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
NRH App - Script  Bash - unquoted expression injection fr 1 July 2025 at 14:10
lolo App - Script  Bash - unquoted expression injection fr 1 July 2025 at 13:43
zak_0 App - Script  Bash - unquoted expression injection fr 30 June 2025 at 23:58
NumberOreo App - Script  Bash - unquoted expression injection fr 29 June 2025 at 20:26
Kagami App - Script  Bash - unquoted expression injection fr 29 June 2025 at 14:38
Joskii App - Script  Bash - unquoted expression injection fr 28 June 2025 at 21:08
Zelrows App - Script  Bash - unquoted expression injection fr 28 June 2025 at 12:31
zedblast000 App - Script  Bash - unquoted expression injection fr 27 June 2025 at 12:11
tohib App - Script  Bash - unquoted expression injection en 27 June 2025 at 12:01
Paul App - Script  Bash - unquoted expression injection fr 26 June 2025 at 22:04

challenges 33 Challenges

Results Name Validations Number of points ↓↑  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Deep learning - Malicious model 1% 34 70 blackndoor 0 26 July 2024
pas_valide Python - Eval Is Evil 1% 138 60 Mister7F 2 28 December 2023
pas_valide Bash - Restricted shells 1% 3135 60 Yorin 9 14 January 2017
pas_valide Python - Jail - Garbage collector 1% 611 55 n0d 5 12 August 2017
pas_valide Javascript - Jail 1% 493 55 waxous 4 7 December 2016
pas_valide Python - Jail - Exec 1% 1845 50 Arod 3 23 February 2015
pas_valide Python - PyJail 2 2% 4449 40 zM_ 10 17 February 2015
pas_valide PHP - Jail 1% 830 40 LordRoke 10 1 March 2019
pas_valide Python - PyJail 1 2% 7217 35 sambecks 5 3 January 2015
pas_valide Python - format string 1% 1295 35 lovasoa 1 26 March 2021
pas_valide Docker - Talk through me 1% 805 35 Nishacid 2 24 February 2022
pas_valide Bash - race condition 1% 598 35 sbrk 10 5 May 2020
pas_valide AppArmor - Jail Medium 1% 196 35 nivram 1 25 September 2023
pas_valide Docker - Sys-Admin’s Docker 1% 1136 30 Nishacid 3 24 February 2022
pas_valide SSH - Agent Hijacking 1% 2339 30 mayfly 5 7 October 2018
pas_valide Shared Objects hijacking 1% 897 30 das 2 5 March 2020
pas_valide Bash - quoted expression injection 1% 1788 30 sbrk 6 26 October 2020
pas_valide Python - pickle 2% 5569 25 koma 10 7 September 2012
pas_valide Powershell - Basic jail 1% 1368 25 hat.time 10 19 June 2020
pas_valide R: Code Execution 1% 1137 20 Fey 7 25 September 2023
pas_valide Python - input() 6% 19024 20 g0uZ 11 27 May 2014
pas_valide LaTeX - Command execution 1% 2298 20 Podalirius , Mhd_Root 3 17 March 2021
pas_valide Bash - cron 4% 12748 20 g0uZ 8 6 May 2013
pas_valide Powershell - SecureString 1% 3589 15 hat.time 4 19 June 2020
pas_valide Perl - Command injection 4% 13610 15 Tosh 10 11 August 2015
pas_valide Docker - I am groot 1% 3090 15 Nishacid 2 24 February 2022
pas_valide Bash - unquoted expression injection 3% 7347 15 sbrk 5 26 October 2020
pas_valide AppArmor - Jail Introduction 1% 721 15 nivram 4 10 May 2023
pas_valide Powershell - Command Injection 2% 7046 10 hat.time 7 19 June 2020
pas_valide LaTeX - Input 2% 5036 10 Podalirius , Mhd_Root 5 17 March 2021
pas_valide Bash - System 2 9% 30342 10 Lu33Y 10 8 February 2012
pas_valide sudo - weak configuration 10% 34435 5 notfound404 5 6 February 2012
pas_valide Bash - System 1 15% 52036 5 Lu33Y 10 8 February 2012