Bash - unquoted expression injection

15 Points  0x0

Always quote your vars 😉

Author

sbrk,  

Level  Difficulty

Validations

7730 Challengers 3%

Note  Notation

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321 Votes

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solutions 5 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
anmallie App - Script  Bash - unquoted expression injection en 16 November 2025 at 03:30
w1z3r App - Script  Bash - unquoted expression injection fr 14 November 2025 at 19:16
Estipinhas App - Script  Bash - unquoted expression injection fr 14 November 2025 at 18:44
peepoodoo App - Script  Bash - unquoted expression injection fr 14 November 2025 at 15:47
h3liosdj4ng App - Script  Bash - unquoted expression injection fr 14 November 2025 at 12:21
cbibi App - Script  Bash - unquoted expression injection fr 14 November 2025 at 10:18
Anakin App - Script  Bash - unquoted expression injection en 13 November 2025 at 17:03
S1moxi11 App - Script  Bash - unquoted expression injection fr 13 November 2025 at 14:58
Random App - Script  Bash - unquoted expression injection fr 12 November 2025 at 21:23
hahed App - Script  Bash - unquoted expression injection fr 12 November 2025 at 18:37

challenges 33 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Bash - System 1 15% 53679 5 Lu33Y 10 8 February 2012
pas_valide sudo - weak configuration 10% 35450 5 notfound404 5 6 February 2012
pas_valide Bash - System 2 9% 31176 10 Lu33Y 10 8 February 2012
pas_valide LaTeX - Input 2% 5418 10 Podalirius , Mhd_Root 5 17 March 2021
pas_valide Powershell - Command Injection 2% 7487 10 hat.time 7 19 June 2020
pas_valide AppArmor - Jail Introduction 1% 834 15 nivram 4 10 May 2023
pas_valide Bash - unquoted expression injection 3% 7725 15 sbrk 5 26 October 2020
pas_valide Docker - I am groot 1% 3305 15 Nishacid 2 24 February 2022
pas_valide Perl - Command injection 4% 13878 15 Tosh 10 11 August 2015
pas_valide Powershell - SecureString 2% 3825 15 hat.time 4 19 June 2020
pas_valide Bash - cron 4% 12995 20 g0uZ 8 6 May 2013
pas_valide LaTeX - Command execution 1% 2473 20 Podalirius , Mhd_Root 3 17 March 2021
pas_valide Python - input() 6% 19444 20 g0uZ 11 27 May 2014
pas_valide R: Code Execution 1% 1334 20 Fey 7 25 September 2023
pas_valide Powershell - Basic jail 1% 1485 25 hat.time 10 19 June 2020
pas_valide Python - pickle 2% 5702 25 koma 10 7 September 2012
pas_valide Bash - quoted expression injection 1% 1916 30 sbrk 6 26 October 2020
pas_valide Docker - Sys-Admin’s Docker 1% 1215 30 Nishacid 3 24 February 2022
pas_valide Shared Objects hijacking 1% 950 30 das 2 5 March 2020
pas_valide SSH - Agent Hijacking 1% 2421 30 mayfly 5 7 October 2018
pas_valide AppArmor - Jail Medium 1% 232 35 nivram 1 25 September 2023
pas_valide Bash - race condition 1% 637 35 sbrk 10 5 May 2020
pas_valide Docker - Talk through me 1% 870 35 Nishacid 2 24 February 2022
pas_valide Python - format string 1% 1379 35 lovasoa 2 26 March 2021
pas_valide Python - PyJail 1 2% 7366 35 sambecks 5 3 January 2015
pas_valide PHP - Jail 1% 864 40 LordRoke 10 1 March 2019
pas_valide Python - PyJail 2 2% 4570 40 zM_ 10 17 February 2015
pas_valide Python - Jail - Exec 1% 1878 50 Arod 3 23 February 2015
pas_valide Javascript - Jail 1% 510 55 waxous 4 7 December 2016
pas_valide Python - Jail - Garbage collector 1% 636 55 n0d 5 12 August 2017
pas_valide Bash - Restricted shells 1% 3244 60 Yorin 9 14 January 2017
pas_valide Python - Eval Is Evil 1% 162 60 Mister7F 2 28 December 2023
pas_valide Deep learning - Malicious model 1% 52 70 blackndoor 0 26 July 2024