Pwngdb: gdb for pwn

by do son · Published April 7, 2019 · Updated May 1, 2024

Pwngdb

GDB for pwn.

Features

libc : Print the base address of libc
ld : Print the base address of ld
codebase : Print the base of code segment
heap : Print the base of heap
got : Print the Global Offset Table infomation
dyn : Print the Dynamic section infomation
findcall : Find some function call
bcall : Set the breakpoint at some function call
tls : Print the thread local storage address
at : Attach by process name
findsyscall : Find the syscall
fmtarg : Calculate the index of format string
- You need to stop on printf which has vulnerability.
force : Calculate the nb in the house of force.
heapinfo : Print some infomation of heap
- heapinfo (Address of arena)
- default is the arena of current thread
- If tcache is enable, it would show infomation of tcache entry
heapinfoall : Print some infomation of heap (all threads)
arenainfo : Print some infomation of all arena
chunkinfo: Print the infomation of chunk
- chunkinfo (Address of victim)
chunkptr : Print the infomation of chunk
- chunkptr (Address of user ptr)
mergeinfo : Print the infomation of merge
- mergeinfo (Address of victim)
printfastbin : Print some infomation of fastbin
tracemalloc on : Trace the malloc and free and detect some error .
- You need to run the process first than tracemalloc on, it will record all of the malloc and free.
- You can set the DEBUG in pwngdb.py , than it will print all of the malloc and free infomation such as the screeshot.
parseheap : Parse heap layout
magic : Print useful variable and function in glibc
fp : show FILE structure
- fp (Address of FILE)
fpchain: show linked list of FILE
orange : Test house of orange condition in the _IO_flush_lockp
- orange (Address of FILE)
- glibc version <= 2.23