CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
EPSS
Percentile
10.1%
The remote host is affected by the vulnerability described in GLSA-200805-03 (Multiple X11 terminals: Local privilege escalation)
Bernhard R. Link discovered that RXVT opens a terminal on :0 if the '-display' option is not specified and the DISPLAY environment variable is not set. Further research by the Gentoo Security Team has shown that aterm, Eterm, Mrxvt, multi-aterm, rxvt-unicode, and wterm are also affected.
Impact :
A local attacker could exploit this vulnerability to hijack X11 terminals of other users.
Workaround :
There is no known workaround at this time.
#%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 200805-03.
#
# 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(32151);
script_version("1.15");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");
script_cve_id("CVE-2008-1142", "CVE-2008-1692");
script_xref(name:"GLSA", value:"200805-03");
script_name(english:"GLSA-200805-03 : Multiple X11 terminals: Local privilege escalation");
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-200805-03
(Multiple X11 terminals: Local privilege escalation)
Bernhard R. Link discovered that RXVT opens a terminal on :0 if the
'-display' option is not specified and the DISPLAY environment variable
is not set. Further research by the Gentoo Security Team has shown that
aterm, Eterm, Mrxvt, multi-aterm, rxvt-unicode, and wterm are also
affected.
Impact :
A local attacker could exploit this vulnerability to hijack X11
terminals of other users.
Workaround :
There is no known workaround at this time."
);
script_set_attribute(
attribute:"see_also",
value:"https://security.gentoo.org/glsa/200805-03"
);
script_set_attribute(
attribute:"solution",
value:
"All aterm users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=x11-terms/aterm-1.0.1-r1'
All Eterm users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=x11-terms/eterm-0.9.4-r1'
All Mrxvt users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=x11-terms/mrxvt-0.5.3-r2'
All multi-aterm users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=x11-terms/multi-aterm-0.2.1-r1'
All RXVT users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=x11-terms/rxvt-2.7.10-r4'
All rxvt-unicode users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=x11-terms/rxvt-unicode-9.02-r1'
All wterm users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=x11-terms/wterm-6.2.9-r3'"
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_cwe_id(264);
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:aterm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:eterm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:mrxvt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:multi-aterm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:rxvt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:rxvt-unicode");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:wterm");
script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");
script_set_attribute(attribute:"patch_publication_date", value:"2008/05/07");
script_set_attribute(attribute:"plugin_publication_date", value:"2008/05/09");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2008-2021 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:"x11-terms/aterm", unaffected:make_list("ge 1.0.1-r1"), vulnerable:make_list("lt 1.0.1-r1"))) flag++;
if (qpkg_check(package:"x11-terms/rxvt", unaffected:make_list("ge 2.7.10-r4"), vulnerable:make_list("lt 2.7.10-r4"))) flag++;
if (qpkg_check(package:"x11-terms/multi-aterm", unaffected:make_list("ge 0.2.1-r1"), vulnerable:make_list("lt 0.2.1-r1"))) flag++;
if (qpkg_check(package:"x11-terms/wterm", unaffected:make_list("ge 6.2.9-r3"), vulnerable:make_list("lt 6.2.9-r3"))) flag++;
if (qpkg_check(package:"x11-terms/mrxvt", unaffected:make_list("ge 0.5.3-r2"), vulnerable:make_list("lt 0.5.3-r2"))) flag++;
if (qpkg_check(package:"x11-terms/eterm", unaffected:make_list("ge 0.9.4-r1"), vulnerable:make_list("lt 0.9.4-r1"))) flag++;
if (qpkg_check(package:"x11-terms/rxvt-unicode", unaffected:make_list("ge 9.02-r1"), vulnerable:make_list("lt 9.02-r1"))) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:qpkg_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = qpkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "Multiple X11 terminals");
}