## This script was written by Michael Scheidell SECNAP Network Security## See the Nessus Scripts License for details#if(description){ script_id(11316); script_bugtraq_id(2794, 6991); script_cve_id("CVE-2001-1349", "CVE-2002-1337"); if(defined_func("script_xref"))script_xref(name:"IAVA", value:"2003-A-0002"); script_version("$Revision: 118 $");  name["english"] = "Sendmail remote header buffer overflow"; script_name(english:name["english"]);  desc["english"] = "The remote sendmail server, according to its version number,may be vulnerable to a remote buffer overflow allowing remoteusers to gain root privileges.Sendmail versions from 5.79 to 8.12.7 are vulnerable.Solution : Upgrade to Sendmail ver 8.12.8 or greater orif you cannot upgrade, apply patches for 8.10-12 here:http://www.sendmail.org/patchcr.htmlNOTE: manual patches do not change the version numbers.Vendors who have released patched versions of sendmailmay still falsely show vulnerability.*** OpenVAS reports this vulnerability using only*** the banner of the remote SMTP server. Therefore,*** this might be a false positive.see http://www.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21950    http://www.cert.org/advisories/CA-2003-07.html    http://www.kb.cert.org/vuls/id/398025Risk factor : High";	 script_description(english:desc["english"]);  summary["english"] = "Checks the version number";  script_summary(english:summary["english"]);  script_category(ACT_GATHER_INFO);  script_copyright(english:"This script is Copyright (C) 2003 SECNAP Network Security");  family["english"] = "SMTP problems"; script_family(english:family["english"]); if ( ! defined_func("bn_random") )  	script_dependencie("smtpserver_detect.nasl"); else 	script_dependencie("smtpserver_detect.nasl", "solaris26_105395.nasl", "solaris26_x86_105396.nasl", "solaris7_107684.nasl", "solaris7_x86_107685.nasl", "solaris8_110615.nasl", "solaris8_x86_110616.nasl", "solaris9_113575.nasl", "solaris9_x86_114137.nasl"); script_require_ports("Services/smtp", 25); script_require_keys("SMTP/sendmail"); exit(0);}## The script code starts here#include("smtp_func.inc");if ( get_kb_item("BID-6991") ) exit(0);port = get_kb_item("Services/smtp");if(!port) port = 25;banner = get_smtp_banner(port:port);if(banner){  # Digital Defense came up with this nice regex :  if(egrep(pattern:".*Sendmail.*(Switch\-((1\.)|(2\.(0\.|1\.[0-4])))|(\/|UCB| )([5-7]\.|8\.([0-9](\.|;|$)|10\.|11\.[0-6]|12\.[0-7](\/| |\.|\+)))).*", string:banner, icase:TRUE))		security_hole(port);  # Since the regex above is VERY complicated, I also include this simpler one, in case the first misses  # something.  else if(egrep(pattern:".*Sendmail (5\.79.*|5\.[89].*|[67]\..*|8\.[0-9]\..*|8\.10\..*|8\.11\.[0-6]|8\.12\.[0-7]|SMI-8\.([0-9]|1[0-2]))/.*", string:banner, icase:TRUE)) 	security_hole(port);}