CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
46.9%
It was discovered that FontForge, a font editor, did not correctly validate its input. An attacker could use this flaw by tricking a user into opening a maliciously crafted OpenType font file, thus causing a denial-of-service via application crash, or 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-3958. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(102825);
script_version("3.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2017-11568", "CVE-2017-11569", "CVE-2017-11571", "CVE-2017-11572", "CVE-2017-11574", "CVE-2017-11575", "CVE-2017-11576", "CVE-2017-11577");
script_xref(name:"DSA", value:"3958");
script_name(english:"Debian DSA-3958-1 : fontforge - security update");
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 FontForge, a font editor, did not correctly
validate its input. An attacker could use this flaw by tricking a user
into opening a maliciously crafted OpenType font file, thus causing a
denial-of-service via application crash, or execution of arbitrary
code."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=869614"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/jessie/fontforge"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/fontforge"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2017/dsa-3958"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the fontforge packages.
For the oldstable distribution (jessie), these problems have been
fixed in version 20120731.b-5+deb8u1.
For the stable distribution (stretch), these problems have been fixed
in version 1:20161005~dfsg-4+deb9u1."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:fontforge");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"patch_publication_date", value:"2017/08/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/08/30");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2017-2021 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:"8.0", prefix:"fontforge", reference:"20120731.b-5+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"fontforge-common", reference:"20120731.b-5+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"fontforge-dbg", reference:"20120731.b-5+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"fontforge-nox", reference:"20120731.b-5+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"libfontforge-dev", reference:"20120731.b-5+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"libfontforge1", reference:"20120731.b-5+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"libgdraw4", reference:"20120731.b-5+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"python-fontforge", reference:"20120731.b-5+deb8u1")) flag++;
if (deb_check(release:"9.0", prefix:"fontforge", reference:"1:20161005~dfsg-4+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"fontforge-common", reference:"1:20161005~dfsg-4+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"fontforge-dbg", reference:"1:20161005~dfsg-4+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"fontforge-nox", reference:"1:20161005~dfsg-4+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libfontforge-dev", reference:"1:20161005~dfsg-4+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libfontforge2", reference:"1:20161005~dfsg-4+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libgdraw5", reference:"1:20161005~dfsg-4+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"python-fontforge", reference:"1:20161005~dfsg-4+deb9u1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11568
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11569
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11571
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11572
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11574
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11575
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11576
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11577
bugs.debian.org/cgi-bin/bugreport.cgi?bug=869614
packages.debian.org/source/jessie/fontforge
packages.debian.org/source/stretch/fontforge
www.debian.org/security/2017/dsa-3958
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
46.9%