| code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(55815);
script_version("1.8");
script_cvs_date("Date: 2018/11/15 20:50:26");
script_cve_id("CVE-2011-2131");
script_bugtraq_id(49106);
script_xref(name:"EDB-ID", value:"17712");
script_name(english:"Adobe Photoshop CS5 GIF File Memory Corruption (APSB11-22)");
script_summary(english:"Checks Photoshop version");
script_set_attribute(attribute:"synopsis", value:
"The remote Windows host has an application that is affected by a
memory corruption vulnerability.");
script_set_attribute(attribute:"description", value:
"The version of Adobe Photoshop CS5 installed on the remote host
includes a filter plug-in, 'Standard MultiPlugin', that has a critical
memory corruption vulnerability.
If an attacker could trick a user on the affected system into opening
a malicious GIF file using the application, he could leverage the
vulnerability to execute arbitrary code remotely on the system subject
to the user's privileges. This could result in a system compromise.");
script_set_attribute(attribute:"see_also", value:"https://www.adobe.com/support/security/bulletins/apsb11-22.html");
script_set_attribute(attribute:"solution", value:
"Upgrade to Adobe Photoshop CS5 / CS5.1 if necessary, then apply the
Photoshop CS5 / CS5.1 Standard MultiPlugin Update.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2011/08/09");
script_set_attribute(attribute:"patch_publication_date", value:"2011/08/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/08/11");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:photoshop");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2011-2018 Tenable Network Security, Inc.");
script_dependencies("adobe_photoshop_installed.nasl");
script_require_keys("SMB/Adobe_Photoshop/Installed");
script_require_ports(139, 445);
exit(0);
}
include("global_settings.inc");
include("misc_func.inc");
include("smb_func.inc");
include("audit.inc");
kb_base = "SMB/Adobe_Photoshop/";
get_kb_item_or_exit(kb_base+"Installed");
versions = get_kb_list(kb_base+'Version');
if (isnull(versions)) exit(1, "The '"+kb_base+"Version' KB list is missing.");
# Identify installs of CS5.1 and earlier.
paths = make_array();
info2 = '';
foreach version (versions)
{
path = get_kb_item(kb_base+version+'/Path');
if (isnull(path)) path = 'n/a';
ver = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(ver); i++)
ver[i] = int(ver[i]);
verui = get_kb_item(kb_base+version+'/Version_UI');
if (isnull(verui)) verui = version;
if (
ver[0] < 12 ||
ver[0] == 12 && ver[1] <= 1
)
{
paths[path] = version;
}
else info2 += " and " + verui;
}
if (max_index(keys(paths)) == 0)
{
if (info2)
{
info2 -= " and ";
if (" and " >< info2) be = "are";
else be = "is";
exit(0, "The host is not affected since Adobe Photoshop "+info2+" "+be+" installed.");
}
else exit(1, "Unexpected error - 'info2' is empty.");
}
# Establish a session.
name = kb_smb_name();
port = kb_smb_transport();
#if (!get_port_state(port)) exit(1, "Port "+port+" is not open.");
login = kb_smb_login();
pass = kb_smb_password();
domain = kb_smb_domain();
#soc = open_sock_tcp(port);
#if (!soc) exit(1, "Failed to open a socket on port "+port+".");
#session_init(socket:soc, hostname:name);
if(!smb_session_init()) audit(AUDIT_FN_FAIL, 'smb_session_init');
# Check each install we identified earlier.
info = '';
info2 = '';
foreach path (keys(paths))
{
version = paths[path];
# Determine the directory with Photoshop's plug-ins.
plugin_path = "";
match = eregmatch(pattern:"^([0-9]+\.[0-9]+)\.", string:version);
if (!isnull(match))
{
highlevel_version = match[1];
rc = NetUseAdd(login:login, password:pass, domain:domain, share:"IPC$");
if (rc != 1)
{
NetUseDel();
exit(1, "Can't connect to IPC$ share.");
}
hklm = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if (isnull(hklm))
{
NetUseDel();
exit(1, "Can't connect to remote registry.");
}
key = strcat("SOFTWARE\Adobe\Photoshop\", highlevel_version);
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
item = RegQueryValue(handle:key_h, item:"PluginPath");
if (!isnull(item))
{
plugin_path = item[1];
plugin_path = ereg_replace(pattern:"^(.+)\\$", replace:"\1", string:plugin_path);
}
RegCloseKey(handle:key_h);
}
if (!plugin_path)
{
key = strcat(key, "\PluginPath");
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
item = RegQueryValue(handle:key_h, item:NULL);
if (!isnull(item))
{
plugin_path = item[1];
plugin_path = ereg_replace(pattern:"^(.+)\\$", replace:"\1", string:plugin_path);
}
RegCloseKey(handle:key_h);
}
}
RegCloseKey(handle:hklm);
NetUseDel(close:FALSE);
}
if (!plugin_path) plugin_path = path + "\Plug-ins";
share = ereg_replace(pattern:"^([A-Za-z]):.*", replace:"\1$", string:plugin_path);
rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
if (rc != 1)
{
NetUseDel();
exit(1, "Can't connect to "+share+" share.");
}
plugin = ereg_replace(pattern:"^[A-Za-z]:(.*)", replace:"\1\Filters\Standard MultiPlugin.8BF", string:plugin_path);
fh = CreateFile(
file : plugin,
desired_access : GENERIC_READ,
file_attributes : FILE_ATTRIBUTE_NORMAL,
share_mode : FILE_SHARE_READ,
create_disposition : OPEN_EXISTING
);
if (!isnull(fh))
{
plugin_version = "";
fsize = GetFileSize(handle:fh);
chunk = 16384;
if (fsize < 100000) ofs = 0;
else ofs = int(fsize / 2);
while (fsize > 0 && ofs <= fsize)
{
data = ReadFile(handle:fh, length:chunk, offset:ofs);
if (strlen(data) == 0) break;
data = str_replace(find:raw_string(0), replace:"", string:data);
match = eregmatch(pattern:"\\([0-9]{8}\.[a-zA-Z]\.[0-9]+)\\", string:data);
if (!isnull(match))
{
plugin_version = match[1];
break;
}
ofs += chunk - 64;
}
CloseFile(handle:fh);
if (!plugin_version)
{
NetUseDel();
exit(1, "Couldn't get file version of '"+(share-'$')+":"+plugin+"'.");
}
yyyy = int(substr(plugin_version, 0, 3));
mmdd = int(substr(plugin_version, 4, 7));
r = int(substr(plugin_version, 11));
if (
yyyy < 2011 ||
(yyyy == 2011 && mmdd < 0718)
)
{
product_name = get_kb_item(kb_base+version+'/Product');
if (isnull(product_name)) product_name = "Adobe Photoshop";
info += '\n Product : ' + product_name +
'\n File : ' + (share-'$')+":"+plugin +
'\n Installed version : ' + plugin_version +
'\n Fixed version : 20110718.r.1299\n';
}
else info2 += " and " + plugin_version;
}
NetUseDel(close:FALSE);
}
NetUseDel();
# Report if an issue was found.
if (info)
{
if (report_verbosity > 0)
{
if (vuln > 1) s = "s of Adobe Photoshop are";
else s = " of Adobe Photoshop is";
report =
'\nThe following vulnerable instance'+s+' installed on the'+
'\nremote host :\n'+
info;
security_hole(port:get_kb_item("SMB/transport"), extra:report);
}
else security_hole(get_kb_item("SMB/transport"));
exit(0);
}
if (info2)
{
info2 -= " and ";
if (" and " >< info2) be = "are";
else be = "is";
exit(0, "The host is not affected since Standard MultiPlugin "+info2+" "+be+" installed.");
}
else exit(0, "The Standard MultiPlugin plugin is not installed, and thus the host is not affected.");
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