CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
AI Score
Confidence
Low
EPSS
Percentile
94.2%
Pidgin is prone to denial of service vulnerabilities.
# SPDX-FileCopyrightText: 2011 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.902650");
script_version("2024-02-15T05:05:39+0000");
script_cve_id("CVE-2011-4602", "CVE-2011-4603", "CVE-2011-4601");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"last_modification", value:"2024-02-15 05:05:39 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"creation_date", value:"2011-12-21 11:02:55 +0530 (Wed, 21 Dec 2011)");
script_name("Pidgin XMPP And SILC Protocols Denial of Service Vulnerabilities - Windows");
script_xref(name:"URL", value:"http://pidgin.im/news/security/?id=57");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/51070");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/51074");
script_xref(name:"URL", value:"http://pidgin.im/news/security/?id=58");
script_xref(name:"URL", value:"http://pidgin.im/news/security/?id=59");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2011 Greenbone AG");
script_family("Denial of Service");
script_dependencies("secpod_pidgin_detect_win.nasl");
script_mandatory_keys("Pidgin/Win/Ver");
script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to cause the application
to crash, denying service to legitimate users.");
script_tag(name:"affected", value:"Pidgin versions prior to 2.10.1");
script_tag(name:"insight", value:"Multiplw flaws are due to
- An error in the silc_channel_message function in ops.c in the SILC
protocol plugin in libpurple, which fails to validate that a piece of text
was UTF-8 when receiving various incoming messages.
- An error in the XMPP protocol plugin in libpurple, which fails to ensure
that the incoming message contained all required fields when receiving
various stanzas related to voice and video chat.
- An error in the family_feedbag.c in the oscar protocol plugin, which fails
to validate that a piece of text was UTF-8 when receiving various incoming
messages.");
script_tag(name:"solution", value:"Upgrade to Pidgin version 2.10.1 or later.");
script_tag(name:"summary", value:"Pidgin is prone to denial of service vulnerabilities.");
script_tag(name:"qod_type", value:"registry");
script_tag(name:"solution_type", value:"VendorFix");
exit(0);
}
include("version_func.inc");
pidginVer = get_kb_item("Pidgin/Win/Ver");
if(pidginVer != NULL)
{
if(version_is_less(version:pidginVer, test_version:"2.10.1")){
report = report_fixed_ver(installed_version:pidginVer, fixed_version:"2.10.1");
security_message(port: 0, data: report);
}
}