CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
Percentile
66.2%
DLA 2589-1 incorrectly fixed CVE-2020-26519 and also induced regression where opening a PDF document resulted in a SIGFPE crash, a floating point exception.
For Debian 9 stretch, this problem has been fixed in version 1.9a+ds1-4+deb9u7.
We recommend that you upgrade your mupdf packages.
For the detailed security status of mupdf please refer to its security tracker page at: https://security-tracker.debian.org/tracker/mupdf
NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-2589-2. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include("compat.inc");
if (description)
{
script_id(147744);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/03/16");
script_name(english:"Debian DLA-2589-2 : mupdf regression update");
script_summary(english:"Checks dpkg output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"DLA 2589-1 incorrectly fixed CVE-2020-26519 and also induced
regression where opening a PDF document resulted in a SIGFPE crash, a
floating point exception.
For Debian 9 stretch, this problem has been fixed in version
1.9a+ds1-4+deb9u7.
We recommend that you upgrade your mupdf packages.
For the detailed security status of mupdf please refer to its security
tracker page at: https://security-tracker.debian.org/tracker/mupdf
NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. Tenable has attempted
to automatically clean and format it as much as possible without
introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://lists.debian.org/debian-lts-announce/2021/03/msg00017.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/mupdf"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/source-package/mupdf"
);
script_set_attribute(
attribute:"solution",
value:"Upgrade the affected libmupdf-dev, mupdf, and mupdf-tools packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libmupdf-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mupdf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mupdf-tools");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/14");
script_set_attribute(attribute:"patch_publication_date", value:"2021/03/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/03/12");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 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:"9.0", prefix:"libmupdf-dev", reference:"1.9a+ds1-4+deb9u7")) flag++;
if (deb_check(release:"9.0", prefix:"mupdf", reference:"1.9a+ds1-4+deb9u7")) flag++;
if (deb_check(release:"9.0", prefix:"mupdf-tools", reference:"1.9a+ds1-4+deb9u7")) 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");
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
Percentile
66.2%