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- #
- # (C) Tenable Network Security
- #
-
- if(description)
- {
- script_id(12110);
- script_bugtraq_id(9899);
- script_version("$Revision: 1.12 $");
- script_cve_id("CAN-2004-0079", "CAN-2004-0081", "CAN-2004-0112");
- if(defined_func("script_xref"))script_xref(name:"IAVA", value:"2004-B-0006");
- name["english"] = "OpenSSL denial of service";
-
- script_name(english:name["english"]);
-
- desc["english"] = "
- The remote host is using a version of OpenSSL which is
- older than 0.9.6m or 0.9.7d
-
- There are several bug in this version of OpenSSL which may allow
- an attacker to cause a denial of service against the remote host.
-
- *** Nessus solely relied on the banner of the remote host
- *** to issue this warning
-
- Solution : Upgrade to version 0.9.6m (0.9.7d) or newer
- Risk factor : High";
-
- script_description(english:desc["english"], francais:desc["francais"]);
-
- summary["english"] = "Checks for version of OpenSSL";
- summary["francais"] = "Verifie la version de OpenSSL";
-
- script_summary(english:summary["english"], francais:summary["francais"]);
-
- script_category(ACT_GATHER_INFO);
-
-
- script_copyright(english:"This script is Copyright (C) 2004 Tenable Network Security");
- family["english"] = "Denial of Service";
- script_family(english:family["english"]);
- if ( ! defined_func("bn_random") )
- script_dependencie("http_version.nasl");
- else
- script_dependencie("find_service.nes", "http_version.nasl", "macosx_SecUpd20040503.nasl", "redhat-RHSA-2004-119.nasl", "redhat-RHSA-2004-120.nasl");
- script_require_ports("Services/www", 443);
- exit(0);
- }
-
- #
- # The script code starts here - we rely on Apache to spit OpenSSL's
- # version. That sucks.
- #
-
- include("http_func.inc");
- include("misc_func.inc");
-
-
- if ( get_kb_item("CAN-2004-0079") ) exit(0);
- if ( get_kb_item("CAN-2004-0081") ) exit(0);
-
- #
- # Only look at the banner for now. This test needs to be improved.
- #
- ports = add_port_in_list(list:get_kb_list("Services/www"), port:443);
-
- foreach port (ports)
- {
- banner = get_http_banner(port:port);
- if(banner)
- {
- if(egrep(pattern:"^Server:.*OpenSSL/0\.9\.([0-5][^0-9]|6[^a-z]|6[a-l]).*", string:banner)) security_hole(port);
- else if(egrep(pattern:"^Server:.*OpenSSL/0\.9\.7(-beta.*|[a-c]| .*)", string:banner)) security_hole(port);
- }
- }
-