CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
26.7%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2016 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.842761");
script_cve_id("CVE-2016-0758", "CVE-2016-3713");
script_tag(name:"creation_date", value:"2016-05-17 14:25:20 +0000 (Tue, 17 May 2016)");
script_version("2024-02-02T05:06:05+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:05 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"7.2");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2016-06-27 15:38:02 +0000 (Mon, 27 Jun 2016)");
script_name("Ubuntu: Security Advisory (USN-2979-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2016 Greenbone AG");
script_family("Ubuntu Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU16\.04\ LTS");
script_xref(name:"Advisory-ID", value:"USN-2979-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-2979-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'linux' package(s) announced via the USN-2979-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"David Matlack discovered that the Kernel-based Virtual Machine (KVM)
implementation in the Linux kernel did not properly restrict variable
Memory Type Range Registers (MTRR) in KVM guests. A privileged user in a
guest VM could use this to cause a denial of service (system crash) in the
host, expose sensitive information from the host, or possibly gain
administrative privileges in the host. (CVE-2016-3713)
Philip Pettersson discovered that the Linux kernel's ASN.1 DER decoder did
not properly process certificate files with tags of indefinite length. A
local unprivileged attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code with administrative
privileges. (CVE-2016-0758)");
script_tag(name:"affected", value:"'linux' package(s) on Ubuntu 16.04.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-deb.inc");
release = dpkg_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "UBUNTU16.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-22-generic", ver:"4.4.0-22.40", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-22-generic-lpae", ver:"4.4.0-22.40", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-22-lowlatency", ver:"4.4.0-22.40", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-22-powerpc-e500mc", ver:"4.4.0-22.40", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-22-powerpc-smp", ver:"4.4.0-22.40", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-22-powerpc64-emb", ver:"4.4.0-22.40", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-22-powerpc64-smp", ver:"4.4.0-22.40", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
26.7%