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- #
- # This script was written by Xue Yong Zhi<xueyong@udel.edu>
- #
- # See the Nessus Scripts License for details
- #
-
- if(description)
- {
- script_id(11342);
- script_bugtraq_id(2344);
- script_version ("$Revision: 1.6 $");
- script_cve_id("CVE-2001-0361");
-
- name["english"] = "PKCS 1 Version 1.5 Session Key Retrieval";
- script_name(english:name["english"]);
-
- desc["english"] = "
- You are running SSH protocol version 1.5.
-
- This version allows a remote attacker to decrypt and/or alter traffic via
- an attack on PKCS#1 version 1.5 knows as a Bleichenbacher attack.
- OpenSSH up to version 2.3.0, AppGate, and SSH Communications
- Security ssh-1 up to version 1.2.31 have the vulnerability present,
- although it may not be exploitable due to configurations.
-
- Solution :
- Patch and New version are available from SSH/OpenSSH.
-
- Risk factor : Low";
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Checks for the remote SSH version";
-
- script_summary(english:summary["english"]);
-
- script_category(ACT_GATHER_INFO);
-
- script_copyright(english:"This script is Copyright (C) 2003 Xue Yong Zhi",
- francais:"Ce script est Copyright (C) 2003 Xue Yong Zhi");
- family["english"] = "Gain a shell remotely";
- script_family(english:family["english"]);
- script_dependencie("ssh_detect.nasl");
- script_require_ports("Services/ssh", 22);
- exit(0);
- }
-
- #
- # The script code starts here
- #
-
- port = get_kb_item("Services/ssh");
- if(!port)port = 22;
-
- banner = get_kb_item("SSH/banner/" + port );
- if(!banner)exit(0);
-
- #Looking for SSH product version number from 1.0 to 1.2.31
- if(ereg(string:banner,
- pattern:"SSH-.*-1\.([0-1]|[0-1]\..*|2\.([0-9]|1[0-9]|2[0-9]|3[01]))[^0-9]*$", icase:TRUE))security_warning(port);
- else {
- if(ereg(pattern:".*openssh[-_](1|2\.([0-2]\.|3\.0)).*",string:banner, icase:TRUE))security_warning(port);
-
- }
-
-
-