7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.231 Low
EPSS
Percentile
96.6%
The remote host is affected by the vulnerability described in GLSA-200404-15 (XChat 2.0.x SOCKS5 Vulnerability)
The SOCKS 5 proxy code in XChat is vulnerable to a remote exploit.
Users would have to be using XChat through a SOCKS 5 server, enable SOCKS 5 traversal which is disabled by default and also connect to an attacker's custom proxy server.
Impact :
This vulnerability may allow an attacker to run arbitrary code within the context of the user ID of the XChat client.
Workaround :
A workaround is not currently known for this issue. All users are advised to upgrade to the latest version of the affected package.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 200404-15.
#
# The advisory text is Copyright (C) 2001-2015 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(14480);
script_version("1.14");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");
script_cve_id("CVE-2004-0409");
script_xref(name:"GLSA", value:"200404-15");
script_name(english:"GLSA-200404-15 : XChat 2.0.x SOCKS5 Vulnerability");
script_summary(english:"Checks for updated package(s) in /var/db/pkg");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Gentoo host is missing one or more security-related
patches."
);
script_set_attribute(
attribute:"description",
value:
"The remote host is affected by the vulnerability described in GLSA-200404-15
(XChat 2.0.x SOCKS5 Vulnerability)
The SOCKS 5 proxy code in XChat is vulnerable to a remote exploit.
Users would have to be using XChat through a SOCKS 5 server, enable
SOCKS 5 traversal which is disabled by default and also connect to an
attacker's custom proxy server.
Impact :
This vulnerability may allow an attacker to run arbitrary code within
the context of the user ID of the XChat client.
Workaround :
A workaround is not currently known for this issue. All users are
advised to upgrade to the latest version of the affected package."
);
# http://mail.nl.linux.org/xchat-announce/2004-04/msg00000.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?591f5f7f"
);
script_set_attribute(
attribute:"see_also",
value:"https://security.gentoo.org/glsa/200404-15"
);
script_set_attribute(
attribute:"solution",
value:
"All XChat users should upgrade to the latest stable version:
# emerge sync
# emerge -pv '>=net-irc/xchat-2.0.8-r1'
# emerge '>=net-irc/xchat-2.0.8-r1'
Note that users of the gtk1 version of xchat (1.8.*) should upgrade to
xchat-1.8.11-r1:
# emerge sync
# emerge -pv '=net-irc/xchat-1.8.11-r1'
# emerge '=net-irc/xchat-1.8.11-r1'"
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:xchat");
script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");
script_set_attribute(attribute:"patch_publication_date", value:"2004/04/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2004/08/30");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2004-2021 Tenable Network Security, Inc.");
script_family(english:"Gentoo Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (qpkg_check(package:"net-irc/xchat", unaffected:make_list("ge 2.0.8-r1"), vulnerable:make_list("lt 2.0.8-r1"))) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = qpkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "net-irc/xchat");
}