home *** CD-ROM | disk | FTP | other *** search
- #
- # (C) Tenable Network Security
- #
-
- if(description)
- {
- script_id(11821);
- script_bugtraq_id(8439);
- script_version ("$Revision: 1.4 $");
-
- name["english"] = "Dropbear SSH server format string vulnerability";
- script_name(english:name["english"]);
-
- desc["english"] = "There is a format string vulnerability in all versions
- of the Dropbear SSH server up to and including version 0.34. An attacker
- may use this flaw to execute arbitrary code on the SSH server.
-
- Solution: Upgrade to the latest version of the Dropbear SSH server.
-
- Risk factor : High";
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Checks remote SSH server type and version";
- script_summary(english:summary["english"]);
-
- script_category(ACT_GATHER_INFO);
-
- script_copyright(english:"This script is Copyright (C) 2003 Tenable Network Security");
- family["english"] = "General";
- script_family(english:family["english"]);
- script_require_ports("Services/ssh", 22);
- script_dependencies("ssh_detect.nasl");
- exit(0);
- }
-
- #
- # The script code starts here
- #
-
- port = get_kb_item("Services/ssh");
- if (!port) port = 22;
-
- banner = get_kb_item("SSH/banner/" + port );
- if ( ! banner ) exit(0);
-
- banner = tolower(banner);
-
- if("dropbear" >< banner)
- {
- if (ereg(pattern:"ssh-.*-dropbear_0\.(([0-2].*)|3[0-4])", string:banner))
- {
- security_hole(port);
- }
- }
-
-