Several vulnerabilities have been discovered in the firmware for Broadcom BCM43xx wifi chips that may lead to a privilege escalation or loss of confidentiality.
CVE-2016-0801
Broadgate Team discovered flaws in packet processing in the Broadcom wifi firmware and proprietary drivers that could lead to remote code execution. However, this vulnerability is not believed to affect the drivers used in Debian.
CVE-2017-0561
Gal Beniamini of Project Zero discovered a flaw in the TDLS implementation in Broadcom wifi firmware. This could be exploited by an attacker on the same WPA2 network to execute code on the wifi microcontroller.
CVE-2017-9417 / #869639
Nitay Artenstein of Exodus Intelligence discovered a flaw in the WMM implementation in Broadcom wifi firmware. This could be exploited by a nearby attacker to execute code on the wifi microcontroller.
CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081
Mathy Vanhoef of the imec-DistriNet research group of KU Leuven discovered multiple vulnerabilities in the WPA protocol used for authentication in wireless networks, dubbed ‘KRACK’.
An attacker exploiting the vulnerabilities could force the vulnerable system to reuse cryptographic session keys, enabling a range of cryptographic attacks against the ciphers used in WPA1 and WPA2.
These vulnerabilities are only being fixed for certain Broadcom wifi chips, and might still be present in firmware for other wifi hardware.
For Debian 8 ‘Jessie’, these problems have been fixed in version 20161130-4~deb8u1. This version also adds new firmware and packages for use with Linux 4.9, and re-adds firmware-{adi,ralink} as transitional packages.
We recommend that you upgrade your firmware-nonfree 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-1573-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(118888);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2016-0801", "CVE-2017-0561", "CVE-2017-13077", "CVE-2017-13078", "CVE-2017-13079", "CVE-2017-13080", "CVE-2017-13081", "CVE-2017-9417");
script_name(english:"Debian DLA-1573-1 : firmware-nonfree security update (KRACK)");
script_summary(english:"Checks dpkg output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"Several vulnerabilities have been discovered in the firmware for
Broadcom BCM43xx wifi chips that may lead to a privilege escalation or
loss of confidentiality.
CVE-2016-0801
Broadgate Team discovered flaws in packet processing in the Broadcom
wifi firmware and proprietary drivers that could lead to remote code
execution. However, this vulnerability is not believed to affect the
drivers used in Debian.
CVE-2017-0561
Gal Beniamini of Project Zero discovered a flaw in the TDLS
implementation in Broadcom wifi firmware. This could be exploited by
an attacker on the same WPA2 network to execute code on the wifi
microcontroller.
CVE-2017-9417 / #869639
Nitay Artenstein of Exodus Intelligence discovered a flaw in the WMM
implementation in Broadcom wifi firmware. This could be exploited by a
nearby attacker to execute code on the wifi microcontroller.
CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080,
CVE-2017-13081
Mathy Vanhoef of the imec-DistriNet research group of KU Leuven
discovered multiple vulnerabilities in the WPA protocol used for
authentication in wireless networks, dubbed 'KRACK'.
An attacker exploiting the vulnerabilities could force the
vulnerable system to reuse cryptographic session keys,
enabling a range of cryptographic attacks against the
ciphers used in WPA1 and WPA2.
These vulnerabilities are only being fixed for certain
Broadcom wifi chips, and might still be present in firmware
for other wifi hardware.
For Debian 8 'Jessie', these problems have been fixed in version
20161130-4~deb8u1. This version also adds new firmware and packages
for use with Linux 4.9, and re-adds firmware-{adi,ralink} as
transitional packages.
We recommend that you upgrade your firmware-nonfree 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/2018/11/msg00015.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/jessie/firmware-nonfree"
);
script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
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:H/I:H/A:H");
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:firmware-adi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-amd-graphics");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-atheros");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-bnx2");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-bnx2x");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-brcm80211");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-cavium");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-intel-sound");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-intelwimax");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-ipw2x00");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-ivtv");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-iwlwifi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-libertas");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-linux");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-linux-nonfree");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-misc-nonfree");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-myricom");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-netxen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-qlogic");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-ralink");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-realtek");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-samsung");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-siano");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:firmware-ti-connectivity");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
script_set_attribute(attribute:"patch_publication_date", value:"2018/11/12");
script_set_attribute(attribute:"in_the_news", value:"true");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/11/13");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2018-2021 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:"firmware-adi", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-amd-graphics", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-atheros", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-bnx2", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-bnx2x", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-brcm80211", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-cavium", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-intel-sound", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-intelwimax", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-ipw2x00", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-ivtv", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-iwlwifi", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-libertas", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-linux", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-linux-nonfree", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-misc-nonfree", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-myricom", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-netxen", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-qlogic", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-ralink", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-realtek", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-samsung", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-siano", reference:"20161130-4~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"firmware-ti-connectivity", reference:"20161130-4~deb8u1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
else security_hole(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | firmware-adi | p-cpe:/a:debian:debian_linux:firmware-adi |
debian | debian_linux | firmware-amd-graphics | p-cpe:/a:debian:debian_linux:firmware-amd-graphics |
debian | debian_linux | firmware-atheros | p-cpe:/a:debian:debian_linux:firmware-atheros |
debian | debian_linux | firmware-bnx2 | p-cpe:/a:debian:debian_linux:firmware-bnx2 |
debian | debian_linux | firmware-bnx2x | p-cpe:/a:debian:debian_linux:firmware-bnx2x |
debian | debian_linux | firmware-brcm80211 | p-cpe:/a:debian:debian_linux:firmware-brcm80211 |
debian | debian_linux | firmware-cavium | p-cpe:/a:debian:debian_linux:firmware-cavium |
debian | debian_linux | firmware-intel-sound | p-cpe:/a:debian:debian_linux:firmware-intel-sound |
debian | debian_linux | firmware-intelwimax | p-cpe:/a:debian:debian_linux:firmware-intelwimax |
debian | debian_linux | firmware-ipw2x00 | p-cpe:/a:debian:debian_linux:firmware-ipw2x00 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0801
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0561
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13077
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13078
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13079
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13080
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13081
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9417
lists.debian.org/debian-lts-announce/2018/11/msg00015.html
packages.debian.org/source/jessie/firmware-nonfree