CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS
Percentile
90.8%
Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The text in the description was extracted from AIX Security
# Advisory xorg_advisory2.asc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(72069);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/21");
script_cve_id("CVE-2013-4396");
script_name(english:"AIX 7.1 TL 2 : xorg (IV52186)");
script_summary(english:"Check for APAR IV52186");
script_set_attribute(
attribute:"synopsis",
value:"The remote AIX host is missing a security patch."
);
script_set_attribute(
attribute:"description",
value:
"Use-after-free vulnerability in the doImageText function in
dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11
allows remote authenticated users to cause a denial of service (daemon
crash) or possibly execute arbitrary code via a crafted ImageText
request that triggers memory-allocation failure."
);
script_set_attribute(
attribute:"see_also",
value:"https://aix.software.ibm.com/aix/efixes/security/xorg_advisory2.asc"
);
script_set_attribute(
attribute:"solution",
value:"Install the appropriate interim fix."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:ibm:aix:7.1");
script_set_attribute(attribute:"vuln_publication_date", value:"2013/01/21");
script_set_attribute(attribute:"patch_publication_date", value:"2013/01/21");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/01/22");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2014-2023 Tenable Network Security, Inc.");
script_family(english:"AIX Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/AIX/lslpp", "Host/local_checks_enabled", "Host/AIX/version");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("aix.inc");
include("misc_func.inc");
if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if ( ! get_kb_item("Host/AIX/version") ) audit(AUDIT_OS_NOT, "AIX");
if ( ! get_kb_item("Host/AIX/lslpp") ) audit(AUDIT_PACKAGE_LIST_MISSING);
if ( get_kb_item("Host/AIX/emgr_failure" ) ) exit(0, "This iFix check is disabled because : "+get_kb_item("Host/AIX/emgr_failure") );
flag = 0;
if (aix_check_ifix(release:"7.1", ml:"02", patch:"IV52186s0a", package:"X11.base.rte", minfilesetver:"7.1.2.0", maxfilesetver:"7.1.2.0") < 0) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:aix_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");