It was discovered that missing input sanitising in Freetype’s processing of CID-keyed fonts could lead to the execution of arbitrary code.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-2350. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(56883);
script_version("1.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2011-3439");
script_bugtraq_id(50643);
script_xref(name:"DSA", value:"2350");
script_name(english:"Debian DSA-2350-1 : freetype - missing input sanitising");
script_summary(english:"Checks dpkg output for the updated package");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security-related update."
);
script_set_attribute(
attribute:"description",
value:
"It was discovered that missing input sanitising in Freetype's
processing of CID-keyed fonts could lead to the execution of arbitrary
code."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=649122"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/squeeze/freetype"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2011/dsa-2350"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the freetype packages.
For the oldstable distribution (lenny), this problem has been fixed in
version 2.3.7-2+lenny8.
For the stable distribution (squeeze), this problem has been fixed in
version 2.4.2-2.1+squeeze3."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:debian:debian_linux:freetype");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");
script_set_attribute(attribute:"patch_publication_date", value:"2011/11/20");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/11/22");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2011-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Debian Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("debian_package.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (deb_check(release:"5.0", prefix:"freetype", reference:"2.3.7-2+lenny8")) flag++;
if (deb_check(release:"6.0", prefix:"freetype2-demos", reference:"2.4.2-2.1+squeeze3")) flag++;
if (deb_check(release:"6.0", prefix:"libfreetype6", reference:"2.4.2-2.1+squeeze3")) flag++;
if (deb_check(release:"6.0", prefix:"libfreetype6-dev", reference:"2.4.2-2.1+squeeze3")) flag++;
if (deb_check(release:"6.0", prefix:"libfreetype6-udeb", reference:"2.4.2-2.1+squeeze3")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
else security_hole(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
Vendor | Product | Version |
---|---|---|
debian | debian_linux | freetype |
debian | debian_linux | 5.0 |
debian | debian_linux | 6.0 |