Security Fest 2023
132 challenges with 204 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeWeb55
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
APACI
7 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Intechfest Game Design Competition
3 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
NOTEIFY
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Samehadaku KW
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Accepts
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Backend
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Body Parser
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Bootstrap
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Bytes
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Content Disposition
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Content Type
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Cookie
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Cookie Signature
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Database
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Also written up in: dimasma0305/My-CTF-Challenges
Ee First
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Encodeurl
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Also written up in: dimasma0305/My-CTF-Challenges
Finalhandler
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Forwarded
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Fresh
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Front
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Function Bind
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Has Proto
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Has Symbols
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Http Errors
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Iconv Lite
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Inherits
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Ipaddr.Js
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Media Typer
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Merge Descriptors
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Methods
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Mime Db
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Mime Types
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Also written up in: dimasma0305/My-CTF-Challenges
Negotiator
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Node Modules
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Object Inspect
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
On Finished
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Proxy Addr
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Range Parser
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Raw Body
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Router
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Safe Buffer
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Safer Buffer
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Scrollbar
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Also written up in: dimasma0305/My-CTF-Challenges
Serve Static
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Setprototypeof
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Statuses
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Toidentifier
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Type Is
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Unpipe
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Utils Merge
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Also written up in: dimasma0305/My-CTF-Challenges
Misc43
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
No Connection
8 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Decimal128
5 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Also written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
associateExample
4 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
bindExample
4 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
connectExample
4 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Gssapi
4 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Mongodb Aws
4 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Plain
4 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Scram
4 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Also written up in: SandWithCheese/ctf-writeups, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Bson.Bundle
3 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Also written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Async Iterator
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Bson.Browser.Esm
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Bson.Browser.Umd
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Bson.Esm
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Also written up in: daffainfo/ctf-writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
HISTORY
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Ipaddr.Min
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Also written up in: daffainfo/ctf-writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: daffainfo/ctf-writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Parse
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Porting Buffer
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Request
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Semver
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Uuid.Min
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Uuidv3.Min
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Uuidv5.Min
2 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Array Flatten
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Baby Jni
1 official solutionAlso written up in: SandWithCheese/ctf-writeups
Also written up in: dimasma0305/My-CTF-Challenges
Bson.D
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Constants.D
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Destroy
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Express
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
FlagGPT
1 official solutionAlso written up in: n1mdacybersec/CTF-Write-Up-Collection
GetIntrinsic
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Long.D
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Also written up in: dimasma0305/My-CTF-Challenges
parseURL
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Promises.D
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Useless Piton
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Uncategorised17
The upstream scoreboard did not say, so neither do we.
Baby Inspect
1 official solutionAlso written up in: nutm3/ctf-writeups
Baby Template
1 official solutionAlso written up in: nutm3/ctf-writeups
Bayi LeFi
1 official solutionAlso written up in: nutm3/ctf-writeups
Also written up in: viktoredstrom/CTF
Calcul8r
1 official solutionAlso written up in: viktoredstrom/CTF
ezRSA
1 official solutionAlso written up in: nutm3/ctf-writeups
Int Meluap
1 official solutionAlso written up in: nutm3/ctf-writeups
Juragan Truk Ko Aseng
1 official solutionAlso written up in: nutm3/ctf-writeups
Just Basic M4th
1 official solutionAlso written up in: nutm3/ctf-writeups
Kode Kodean
1 official solutionAlso written up in: nutm3/ctf-writeups
StegCap
1 official solutionAlso written up in: nutm3/ctf-writeups
Strings
1 official solutionAlso written up in: SandWithCheese/ctf-writeups
Undo It
1 official solutionAlso written up in: nutm3/ctf-writeups
Unicus
1 official solutionAlso written up in: nutm3/ctf-writeups
UNIqueCODE
1 official solutionAlso written up in: nutm3/ctf-writeups
Urgent File
1 official solutionAlso written up in: nutm3/ctf-writeups
You Khow The Rules and So Do I
1 official solutionAlso written up in: nutm3/ctf-writeups
Binary exploitation11
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Also written up in: IloveNooodles/CTFs
Big Boi Warmup
1 official solutionAlso written up in: M0ngi/CTF-Writeups
Also written up in: dimasma0305/My-CTF-Challenges
Also written up in: M0ngi/CTF-Writeups
Cembly
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Handlers
1 official solutionAlso written up in: M0ngi/CTF-Writeups
Also written up in: dimasma0305/My-CTF-Challenges
Also written up in: dimasma0305/My-CTF-Challenges
Oneshot
1 official solutionAlso written up in: M0ngi/CTF-Writeups
Also written up in: dimasma0305/My-CTF-Challenges
Robots revenge
1 official solutionAlso written up in: M0ngi/CTF-Writeups
Forensics3
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
Kali Linux
4 official solutionsAlso written up in: dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges, dimasma0305/My-CTF-Challenges
Custom Discord
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
VWA Wazuh(Series)
1 official solutionAlso written up in: dimasma0305/My-CTF-Challenges
Cryptography3
Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.
Also written up in: SandWithCheese/ctf-writeups, dimasma0305/My-CTF-Challenges
Elysium
1 official solutionAlso written up in: n1mdacybersec/CTF-Write-Up-Collection
Familiar
1 official solutionAlso written up in: n1mdacybersec/CTF-Write-Up-Collection