CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
76.0%
Marcus Brinkmann discovered that GnuPG performed insufficient sanitisation of file names displayed in status messages, which could be abused to fake the verification status of a signed email.
Details can be found in the upstream advisory at https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4222. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include("compat.inc");
if (description)
{
script_id(110421);
script_version("1.8");
script_cvs_date("Date: 2019/05/07 12:34:16");
script_cve_id("CVE-2018-12020");
script_xref(name:"DSA", value:"4222");
script_name(english:"Debian DSA-4222-1 : gnupg2 - 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:
"Marcus Brinkmann discovered that GnuPG performed insufficient
sanitisation of file names displayed in status messages, which could
be abused to fake the verification status of a signed email.
Details can be found in the upstream advisory at
https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/source-package/gnupg2"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/jessie/gnupg2"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/gnupg2"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2018/dsa-4222"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the gnupg2 packages.
For the oldstable distribution (jessie), this problem has been fixed
in version 2.0.26-6+deb8u2.
For the stable distribution (stretch), this problem has been fixed in
version 2.1.18-8~deb9u2."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gnupg2");
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:"2018/06/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/06/11");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2018-2019 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:"gnupg-agent", reference:"2.0.26-6+deb8u2")) flag++;
if (deb_check(release:"8.0", prefix:"gnupg2", reference:"2.0.26-6+deb8u2")) flag++;
if (deb_check(release:"8.0", prefix:"gpgsm", reference:"2.0.26-6+deb8u2")) flag++;
if (deb_check(release:"8.0", prefix:"gpgv2", reference:"2.0.26-6+deb8u2")) flag++;
if (deb_check(release:"8.0", prefix:"scdaemon", reference:"2.0.26-6+deb8u2")) flag++;
if (deb_check(release:"9.0", prefix:"dirmngr", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gnupg", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gnupg-agent", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gnupg-l10n", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gnupg2", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gpgsm", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gpgv", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gpgv-static", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gpgv-udeb", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gpgv-win32", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"gpgv2", reference:"2.1.18-8~deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"scdaemon", reference:"2.1.18-8~deb9u2")) 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
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
76.0%