4.3 Medium
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
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
0.102 Low
EPSS
Percentile
95.0%
Vulnerabilities have been discovered in nss, the Mozilla Network Security Service library.
CVE-2018-12404
Cache side-channel variant of the Bleichenbacher attack
CVE-2018-18508
NULL pointer dereference in several CMS functions resulting in a denial of service
For Debian 8 ‘Jessie’, these problems have been fixed in version 2:3.26-1+debu8u4.
We recommend that you upgrade your nss packages.
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.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1704-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(122604);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/17");
script_cve_id("CVE-2018-12404", "CVE-2018-18508");
script_name(english:"Debian DLA-1704-1 : nss security update");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security update.");
script_set_attribute(attribute:"description", value:
"Vulnerabilities have been discovered in nss, the Mozilla Network
Security Service library.
CVE-2018-12404
Cache side-channel variant of the Bleichenbacher attack
CVE-2018-18508
NULL pointer dereference in several CMS functions resulting in a
denial of service
For Debian 8 'Jessie', these problems have been fixed in version
2:3.26-1+debu8u4.
We recommend that you upgrade your nss packages.
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/2019/03/msg00006.html");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/jessie/nss");
script_set_attribute(attribute:"solution", value:
"Upgrade the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-12404");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/02");
script_set_attribute(attribute:"patch_publication_date", value:"2019/03/04");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/05");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libnss3");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libnss3-1d");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libnss3-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libnss3-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libnss3-tools");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Debian Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
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:"libnss3", reference:"2:3.26-1+debu8u4")) flag++;
if (deb_check(release:"8.0", prefix:"libnss3-1d", reference:"2:3.26-1+debu8u4")) flag++;
if (deb_check(release:"8.0", prefix:"libnss3-dbg", reference:"2:3.26-1+debu8u4")) flag++;
if (deb_check(release:"8.0", prefix:"libnss3-dev", reference:"2:3.26-1+debu8u4")) flag++;
if (deb_check(release:"8.0", prefix:"libnss3-tools", reference:"2:3.26-1+debu8u4")) 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 | CPE |
---|---|---|---|
debian | debian_linux | libnss3-dev | p-cpe:/a:debian:debian_linux:libnss3-dev |
debian | debian_linux | libnss3-dbg | p-cpe:/a:debian:debian_linux:libnss3-dbg |
debian | debian_linux | libnss3-1d | p-cpe:/a:debian:debian_linux:libnss3-1d |
debian | debian_linux | 8.0 | cpe:/o:debian:debian_linux:8.0 |
debian | debian_linux | libnss3-tools | p-cpe:/a:debian:debian_linux:libnss3-tools |
debian | debian_linux | libnss3 | p-cpe:/a:debian:debian_linux:libnss3 |
4.3 Medium
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
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
0.102 Low
EPSS
Percentile
95.0%