[Openvas-plugins] How to determine why openvas-plugin test has true results (Arora - oid=1.3.6.1.4.1.25623.1.0.902764)

[Antu Sanadi]

|| Hi Tom,

Fixed the issue. Committed the updated plugin.
False positive was because of uninitialized usage of
the 'arg ' variable.

Please let me know if you found any issues.

Thank you!

Regards,
Antu Sanadi
SecPod Technologies Pvt Ltd

On Sunday 05 February 2012 06:32 PM, Tom H wrote:
> Hi all,
>
>
> Im doing a scan against a newly built server and I am getting a 
> positive result for " Arora Common Name SSL Certificate Spoofing 
> Vulnerability (Linux)"
>
> I pulled up the script, and it seems to be searching the binary with 
> file name "arora"; (
>
> modName = find_file(file_name:"arora", file_path:"/usr/bin/",
>                       useregex:TRUE, regexpar:"$", sock:sock);
>
>
> However the target in question does not have any binaries installed 
> called arora, nor even any documents with files, or even sub strings 
> "arora" in a case insensitive search;
>
> [root at 52-56-149-11 ~]# locate Arora
> [root at 52-56-149-11 ~]# locate rora
> [root at 52-56-149-11 ~]# locate arora
> [root at 52-56-149-11 ~]# find / | grep -i arora
>
> all return nothing.
>
> Can I run this test by hand, and watch values or something?
>
> (I am new to openvas nasl scripts, so any points to documentation 
> would be helpful, I did look at the troubleshooting guide in the 1.0.1 
> compendium, but I could work out how to send the Credentials to the 
> nasl script)
>
> Many Thanks,
> Tom
>
>
>
>
>
>
> ############################################################################### 
>
> # Openvas Vulnerability Test
> # $id: secpod_arora_cn_ssl_cert_spoofing_vuln_lin.nasl 2011-12-15 
> 14:01:47z dec $
> #
> # Arora Common Name SSL Certificate Spoofing Vulnerability (Linux)
> #
> # Authors:
> # Madhuri D<dmadhuri at secpod.com <mailto:dmadhuri at secpod.com>>
> #
> # Copyright:
> # Copyright (c) 2011 SecPod,http://www.secpod.com 
> <http://www.secpod.com/>
> #
> # This program is free software; you can redistribute it and/or modify
> # it under the terms of the gnu general public license version 2
> # (or any later version), as published by the free software foundation.
> #
> # This program is distributed in the hope that it will be useful,
> # but WITHOUT ANY WARRANTY; without even the implied warranty of
> # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> # GNU General Public License for more details.
> #
> # You should have received a copy of the GNU General Public License
> # along with this program; if not, write to the Free Software
> # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 
> USA.
> ############################################################################### 
>
>
> if(description)
> {
>   script_id(902764);
>   script_version("$Revision$");
>   script_cve_id("CVE-2011-3367");
>   script_bugtraq_id(49925);
>   script_tag(name:"cvss_base", value:"5.0");
>   script_tag(name:"cvss_base_vector", 
> value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
>   script_tag(name:"risk_factor", value:"Medium");
>   script_tag(name:"last_modification", value:"$Date$");
>   script_tag(name:"creation_date", value:"2011-12-15 14:01:47 +0530 
> (Thu, 15 Dec 2011)");
>   script_name("Arora Common Name SSL Certificate Spoofing 
> Vulnerability (Linux)");
>   desc = "
>   Overview: This host is installed with Arora and is prone common name 
> SSL
>   certificate spoofing vulnerability.
>
>   Vulnerability Insight:
>   The flaw is caused due to not using a certain font when rendering 
> certificate
>   fields in a security dialog.
>
>   Impact:
>   Successful exploitation will allow remote attackers to spoof the 
> common name
>   (CN) of a certificate via rich text.
>
>   Impact Level: Application.
>
>   Affected Software :
>   Arora version 0.11 and prior
>
>   Fix: No solution or patch is available as on 15th December 2011. 
> Information
>   regarding this issue will be updated once the solution details are 
> available
>   For updates refer,http://code.google.com/p/arora/downloads/list
>
>   References:
>   http://secunia.com/advisories/46269
>   http://www.securityfocus.com/archive/1/520041
>   https://bugzilla.redhat.com/show_bug.cgi?id=746875
>   
> http://archives.neohapsis.com/archives/fulldisclosure/2011-10/att-0353/NDSA20111003.txt.asc  
> ";
>
>   script_description(desc);
>   script_summary("Check for the version of Arora");
>   script_category(ACT_GATHER_INFO);
>   script_copyright("Copyright (C) 2011 SecPod");
>   script_family("General");
>   script_dependencies("find_service.nes");
>   script_mandatory_keys("login/SSH/success");
>   exit(0);
> }
>
>
> include("ssh_func.inc");
> include("version_func.inc");
>
> ## Open SSH Login connection
> sock = ssh_login_or_reuse_connection();
> if(!sock){
>   exit(0);
> }
>
> ## Confirm Linux, as SSH can be instslled on Windows as well
> result = ssh_cmd(socket:sock, cmd:"uname");
> if("Linux">!<  result){
>   exit(0);
> }
>
> grep = find_bin(prog_name:"grep", sock:sock);
> grep = chomp(grep[0]);
>
> garg[0] = "-o";
> garg[1] = "-m1";
> garg[2] = "-a";
> garg[3] = string("[0]\\.[0-9][0-9]\\.[0-9]");
>
> ## Getting arora file path
> modName = find_file(file_name:"arora", file_path:"/usr/bin/",
>                       useregex:TRUE, regexpar:"$", sock:sock);
> foreach binaryName (modName)
> {
>   binaryName = chomp(binaryName);
>   arg = garg[0] + " " + garg[1] + " " + garg[2] + " " + 
> raw_string(0x22) +
>           garg[3] + raw_string(0x22) + " " + binaryName;
> }
>
> ## Grep the version
> arrVer = get_bin_version(full_prog_name:grep, version_argv:arg,
>                               ver_pattern:"([0-9.]+)", sock:sock);
> if(arrVer)
> {
>   ## Check the arora version
>   if(version_is_less_equal(version:arrVer[0], test_version:"0.11.0")){
>       security_warning(0);
>   }
> }
>
> ssh_close_connection();
>
>
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