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
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
Percentile
83.0%
It was discovered that constructed ASN.1 types with a recursive definition could exceed the stack, potentially leading to a denial of service.
Details can be found in the upstream advisory:
https://www.openssl.org/news/secadv/20180327.txt
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4158. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include("compat.inc");
if (description)
{
script_id(108731);
script_version("1.6");
script_cvs_date("Date: 2018/11/13 12:30:46");
script_cve_id("CVE-2018-0739");
script_xref(name:"DSA", value:"4158");
script_name(english:"Debian DSA-4158-1 : openssl1.0 - 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 constructed ASN.1 types with a recursive
definition could exceed the stack, potentially leading to a denial of
service.
Details can be found in the upstream advisory:
https://www.openssl.org/news/secadv/20180327.txt"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.openssl.org/news/secadv/20180327.txt"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/source-package/openssl1.0"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/openssl1.0"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2018/dsa-4158"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the openssl1.0 packages.
For the stable distribution (stretch), this problem has been fixed in
version 1.0.2l-2+deb9u3."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:openssl1.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"patch_publication_date", value:"2018/03/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/03/30");
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:"libssl1.0-dev", reference:"1.0.2l-2+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libssl1.0.2", reference:"1.0.2l-2+deb9u3")) 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 | openssl1.0 | p-cpe:/a:debian:debian_linux:openssl1.0 |
debian | debian_linux | 9.0 | cpe:/o:debian:debian_linux:9.0 |
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
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
Percentile
83.0%