Integer overflow in solana_rbpf

2022-01-2822:59:28

Google

osv.dev

solana rbpf

integer overflow

relocate function

elf file

version 0.2.14-0.2.16

EPSS

0.003

Percentile

68.7%

JSON

From version 0.2.14 to 0.2.16 for Solana rBPF, function “relocate” in the file src/elf.rs has an integer overflow bug because the sym.st_value is read directly from ELF file without checking. If the sym.st_value is rather large, an integer overflow is triggered while calculating the variable “addr” via addr = (sym.st_value + refd_pa) as u64