CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
Percentile
79.5%
Updated XFree86 packages that fix a security issue are now available for Red Hat Enterprise Linux 2.1 and 3.
This update has been rated as having important security impact by the Red Hat Security Response Team.
XFree86 is an implementation of the X Window System, which provides the core functionality for the Linux graphical desktop.
iDefense reported three integer overflow flaws in the XFree86 Render and DBE extensions. A malicious authorized client could exploit this issue to cause a denial of service (crash) or potentially execute arbitrary code with root privileges on the XFree86 server.
(CVE-2006-6101, CVE-2006-6102, CVE-2006-6103)
Users of XFree86 should upgrade to these updated packages, which contain a backported patch and is not vulnerable to this issue.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2007:0002 and
# CentOS Errata and Security Advisory 2007:0002 respectively.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(24005);
script_version("1.17");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2006-6101", "CVE-2006-6102", "CVE-2006-6103");
script_bugtraq_id(21968);
script_xref(name:"RHSA", value:"2007:0002");
script_name(english:"CentOS 3 : XFree86 (CESA-2007:0002)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:"The remote CentOS host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"Updated XFree86 packages that fix a security issue are now available
for Red Hat Enterprise Linux 2.1 and 3.
This update has been rated as having important security impact by the
Red Hat Security Response Team.
XFree86 is an implementation of the X Window System, which provides
the core functionality for the Linux graphical desktop.
iDefense reported three integer overflow flaws in the XFree86 Render
and DBE extensions. A malicious authorized client could exploit this
issue to cause a denial of service (crash) or potentially execute
arbitrary code with root privileges on the XFree86 server.
(CVE-2006-6101, CVE-2006-6102, CVE-2006-6103)
Users of XFree86 should upgrade to these updated packages, which
contain a backported patch and is not vulnerable to this issue."
);
# https://lists.centos.org/pipermail/centos-announce/2007-January/013460.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?a8eeef40"
);
# https://lists.centos.org/pipermail/centos-announce/2007-January/013461.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?58c0d23c"
);
# https://lists.centos.org/pipermail/centos-announce/2007-January/013464.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?a79609c6"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected xfree86 packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
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:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-100dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-75dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-ISO8859-14-100dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-ISO8859-14-75dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-ISO8859-15-100dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-ISO8859-15-75dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-ISO8859-2-100dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-ISO8859-2-75dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-ISO8859-9-100dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-ISO8859-9-75dpi-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-Mesa-libGL");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-Mesa-libGLU");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-Xnest");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-Xvfb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-base-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-cyrillic-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-font-utils");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-libs-data");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-sdk");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-syriac-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-truetype-fonts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-twm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-xauth");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-xdm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:XFree86-xfs");
script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:3");
script_set_attribute(attribute:"vuln_publication_date", value:"2006/12/31");
script_set_attribute(attribute:"patch_publication_date", value:"2007/01/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2007/01/11");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2007-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"CentOS Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/CentOS/release", "Host/CentOS/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/CentOS/release");
if (isnull(release) || "CentOS" >!< release) audit(AUDIT_OS_NOT, "CentOS");
os_ver = pregmatch(pattern: "CentOS(?: Linux)? release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "CentOS");
os_ver = os_ver[1];
if (! preg(pattern:"^3([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "CentOS 3.x", "CentOS " + os_ver);
if (!get_kb_item("Host/CentOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && "ia64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "CentOS", cpu);
flag = 0;
if (rpm_check(release:"CentOS-3", reference:"XFree86-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-100dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-75dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-ISO8859-14-100dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-ISO8859-14-75dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-ISO8859-15-100dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-ISO8859-15-75dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-ISO8859-2-100dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-ISO8859-2-75dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-ISO8859-9-100dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-ISO8859-9-75dpi-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-Mesa-libGL-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-Mesa-libGLU-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-Xnest-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-Xvfb-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-base-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-cyrillic-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-devel-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-doc-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-font-utils-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-libs-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-libs-data-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-sdk-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-syriac-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-tools-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-truetype-fonts-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-twm-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-xauth-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-xdm-4.3.0-115.EL")) flag++;
if (rpm_check(release:"CentOS-3", reference:"XFree86-xfs-4.3.0-115.EL")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "XFree86 / XFree86-100dpi-fonts / XFree86-75dpi-fonts / etc");
}