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
PHYSICAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
17.3%
The remote host is missing an update for the
# Copyright (C) 2020 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.883300");
script_version("2021-07-06T02:00:40+0000");
script_cve_id("CVE-2019-20811", "CVE-2020-14331");
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:"last_modification", value:"2021-07-06 02:00:40 +0000 (Tue, 06 Jul 2021)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:P/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:"2021-01-13 14:35:00 +0000 (Wed, 13 Jan 2021)");
script_tag(name:"creation_date", value:"2020-11-19 04:01:28 +0000 (Thu, 19 Nov 2020)");
script_name("CentOS: Security Advisory for bpftool (CESA-2020:5023)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
script_family("CentOS Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/centos", "ssh/login/rpms", re:"ssh/login/release=CentOS7");
script_xref(name:"CESA", value:"2020:5023");
script_xref(name:"URL", value:"https://lists.centos.org/pipermail/centos-announce/2020-November/035868.html");
script_tag(name:"summary", value:"The remote host is missing an update for the 'bpftool'
package(s) announced via the CESA-2020:5023 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: buffer over write in vgacon_scroll (CVE-2020-14331)
* kernel: net-sysfs: *_queue_add_kobject refcount issue (CVE-2019-20811)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Bug Fix(es):
* [OSP13, mlx5] SRIOV VF still sending traffic when PF is down (BZ#1733181)
* gpf panic in virtio_check_driver_offered_fxature+6 when running sg_inq on
a dm map for a lost virtio_blk (BZ#1811893)
* GPF panic in qlt_free_session_done+626 (BZ#1826127)
* [ Brazos ] 'Core(s) per socket' and 'Socket' values are interchanged in
lscpu output. (kernel) (BZ#1826306)
* megaraid Aero: call trace observed during reboots (BZ#1828312)
* Crash in mptscsih_io_done() due to buffer overrun in sense_buf_pool
(BZ#1829803)
* The qedf driver fails to re-establish the online F/C port state when the
downstream F/C port is toggled unless a LIP is forced (BZ#1836443)
* tcp_fragment() limit causes packet drop under normal TCP load
(BZ#1847765)
* ip link command shows state as UNKNOWN for MACVLAN interface (BZ#1848950)
* Lenovo TS 7Z60 Cooper Lake: PCI BAR firmware bug (BZ#1849223)
* [RHEL-7/mlx4] ipoib_flush ipoib_ib_dev_flush_light [ib_ipoib]
(BZ#1858707)
* Uprobes crashes processes under GDB - SIGTRAP and SIGSEGV (BZ#1861396)
* kernel-3.10.0-1127.19.1.el7.x86_64 crashes after an SSH connection
attempt when running as a Xen PV guest on AMD Epyc Rome (BZ#1882468)
* Null ptr deref after nf_reinject->nf_queue_entry_release_refs hits
Attempt to release error doing inet_sock_destruct() (BZ#1885682)
Users of kernel are advised to upgrade to these updated packages, which fix
these bugs.");
script_tag(name:"affected", value:"'bpftool' package(s) on CentOS 7.");
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-rpm.inc");
release = rpm_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "CentOS7") {
if(!isnull(res = isrpmvuln(pkg:"bpftool", rpm:"bpftool~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel", rpm:"kernel~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-abi-whitelists", rpm:"kernel-abi-whitelists~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-debug", rpm:"kernel-debug~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-debug-devel", rpm:"kernel-debug-devel~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-devel", rpm:"kernel-devel~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-doc", rpm:"kernel-doc~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-headers", rpm:"kernel-headers~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-tools", rpm:"kernel-tools~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-tools-libs", rpm:"kernel-tools-libs~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-tools-libs-devel", rpm:"kernel-tools-libs-devel~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"perf", rpm:"perf~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"python-perf", rpm:"python-perf~3.10.0~1160.6.1.el7", rls:"CentOS7"))) {
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
PHYSICAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
17.3%