CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
70.2%
The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dsa-4964 advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dsa-4964. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(152892);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/01/20");
script_cve_id("CVE-2021-39365");
script_name(english:"Debian DSA-4964-1 : grilo - security update");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
script_set_attribute(attribute:"description", value:
"The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dsa-4964
advisory.
- In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the
SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is
similar to CVE-2016-20011. (CVE-2021-39365)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992971");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/grilo");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2021/dsa-4964");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-39365");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bullseye/grilo");
script_set_attribute(attribute:"solution", value:
"Upgrade the grilo packages.
For the stable distribution (bullseye), this problem has been fixed in version 0.3.13-1+deb11u1.");
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-2021-39365");
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:"2021/08/22");
script_set_attribute(attribute:"patch_publication_date", value:"2021/08/27");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/08/28");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gir1.2-grilo-0.3");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgrilo-0.3-0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgrilo-0.3-bin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgrilo-0.3-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgrilo-0.3-doc");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Debian Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021-2022 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/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
var release = get_kb_item('Host/Debian/release');
if ( isnull(release) ) audit(AUDIT_OS_NOT, 'Debian');
var release = chomp(release);
if (! preg(pattern:"^(11)\.[0-9]+", string:release)) audit(AUDIT_OS_NOT, 'Debian 11.0', 'Debian ' + release);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Debian', cpu);
var pkgs = [
{'release': '11.0', 'prefix': 'gir1.2-grilo-0.3', 'reference': '0.3.13-1+deb11u1'},
{'release': '11.0', 'prefix': 'libgrilo-0.3-0', 'reference': '0.3.13-1+deb11u1'},
{'release': '11.0', 'prefix': 'libgrilo-0.3-bin', 'reference': '0.3.13-1+deb11u1'},
{'release': '11.0', 'prefix': 'libgrilo-0.3-dev', 'reference': '0.3.13-1+deb11u1'},
{'release': '11.0', 'prefix': 'libgrilo-0.3-doc', 'reference': '0.3.13-1+deb11u1'}
];
var flag = 0;
foreach package_array ( pkgs ) {
var release = NULL;
var prefix = NULL;
var reference = NULL;
if (!empty_or_null(package_array['release'])) release = package_array['release'];
if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (release && prefix && reference) {
if (deb_check(release:release, prefix:prefix, reference:reference)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : deb_report_get()
);
exit(0);
}
else
{
var tested = deb_pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'gir1.2-grilo-0.3 / libgrilo-0.3-0 / libgrilo-0.3-bin / etc');
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
70.2%