Joran Herve discovered that the Okular document viewer was susceptible to directory traversal via malformed .okular files (annotated document archives), which could result in the creation of arbitrary files.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4303. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include("compat.inc");
if (description)
{
script_id(117676);
script_version("1.4");
script_cvs_date("Date: 2018/11/13 12:30:47");
script_cve_id("CVE-2018-1000801");
script_xref(name:"DSA", value:"4303");
script_name(english:"Debian DSA-4303-1 : okular - 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:
"Joran Herve discovered that the Okular document viewer was susceptible
to directory traversal via malformed .okular files (annotated document
archives), which could result in the creation of arbitrary files."
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/source-package/okular"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/okular"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2018/dsa-4303"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the okular packages.
For the stable distribution (stretch), this problem has been fixed in
version 4:16.08.2-1+deb9u1."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:okular");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"patch_publication_date", value:"2018/09/23");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/09/25");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2018 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:"9.0", prefix:"libokularcore7", reference:"4:16.08.2-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"okular", reference:"4:16.08.2-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"okular-dev", reference:"4:16.08.2-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"okular-extra-backends", reference:"4:16.08.2-1+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");
Vendor | Product | Version |
---|---|---|
debian | debian_linux | okular |
debian | debian_linux | 9.0 |