CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:S/C:C/I:C/A:C
EPSS
Percentile
88.7%
According to its version, the instance of Skype installed on the remote Mac OS X host reportedly allows an attacker to send a specially crafted message to a user on the affected host and execute arbitrary code.
Note that by default, such a message would have to come from someone in a user’s Skype Contact List.
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(53844);
script_version("1.7");
script_cvs_date("Date: 2018/07/14 1:59:35");
script_cve_id("CVE-2011-2074");
script_bugtraq_id(47747);
script_name(english:"Skype for Mac 5.x < 5.1.0.922 Unspecified Remote Code Execution (credentialed check)");
script_summary(english:"Checks version of Skype from Info.plist");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Mac OS X host has an application that allows arbitrary
code execution."
);
script_set_attribute(
attribute:"description",
value:
"According to its version, the instance of Skype installed on the
remote Mac OS X host reportedly allows an attacker to send a specially
crafted message to a user on the affected host and execute arbitrary
code.
Note that by default, such a message would have to come from someone
in a user's Skype Contact List."
);
# http://www.purehacking.com/blogs/gordon-maddern/skype-0day-vulnerabilitiy-discovered-by-pure-hacking
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6a8cef8d");
# http://blogs.skype.com/security/2011/05/security_vulnerability_in_mac.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c36790c1");
script_set_attribute(attribute:"solution", value:"Upgrade to Skype for Mac 5.1.0.922 or later.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2011/05/06");
script_set_attribute(attribute:"patch_publication_date", value:"2011/04/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/05/09");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:skype:skype");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"MacOS X Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2011-2018 Tenable Network Security, Inc.");
script_dependencies("macosx_skype_installed.nasl");
script_require_keys("MacOSX/Skype/Version");
exit(0);
}
include("global_settings.inc");
include("misc_func.inc");
version = get_kb_item_or_exit("MacOSX/Skype/Version");
fixed_version = "5.1.0.922";
if (
version =~ "^5\." &&
ver_compare(ver:version, fix:fixed_version, strict:FALSE) == -1
)
{
if (report_verbosity > 0)
{
report =
'\n Installed version : ' + version +
'\n Fixed version : '+fixed_version+'\n';
security_warning(port:0, extra:report);
}
else security_warning(0);
exit(0);
}
else exit(0, "Skype for Mac "+version+" is installed and thus not affected.");