7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.003 Low
EPSS
Percentile
69.7%
The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-4957 advisory.
Incorrect handling of url fragment vulnerability of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
(CVE-2021-27577)
Invalid values in the Content-Length header sent to Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
(CVE-2021-32565)
Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS the server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
(CVE-2021-32566, CVE-2021-32567)
Stack-based Buffer Overflow vulnerability in cachekey plugin of Apache Traffic Server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1. (CVE-2021-35474)
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-4957. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(152564);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/08/14");
script_cve_id(
"CVE-2021-27577",
"CVE-2021-32565",
"CVE-2021-32566",
"CVE-2021-32567",
"CVE-2021-35474"
);
script_name(english:"Debian DSA-4957-1 : trafficserver - security update");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing one or more security-related updates.");
script_set_attribute(attribute:"description", value:
"The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the
dsa-4957 advisory.
- Incorrect handling of url fragment vulnerability of Apache Traffic Server allows an attacker to poison the
cache. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
(CVE-2021-27577)
- Invalid values in the Content-Length header sent to Apache Traffic Server allows an attacker to smuggle
requests. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
(CVE-2021-32565)
- Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS the
server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
(CVE-2021-32566, CVE-2021-32567)
- Stack-based Buffer Overflow vulnerability in cachekey plugin of Apache Traffic Server. This issue affects
Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1. (CVE-2021-35474)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
# https://security-tracker.debian.org/tracker/source-package/trafficserver
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?20613153");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2021/dsa-4957");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-27577");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-32565");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-32566");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-32567");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-35474");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/trafficserver");
script_set_attribute(attribute:"solution", value:
"Upgrade the trafficserver packages.
For the stable distribution (buster), these problems have been fixed in version 8.0.2+ds-1+deb10u5.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/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:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-35474");
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:"2021/06/29");
script_set_attribute(attribute:"patch_publication_date", value:"2021/08/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/08/14");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:trafficserver");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:trafficserver-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:trafficserver-experimental-plugins");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Debian Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021 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:"^(10)\.[0-9]+", string:release)) audit(AUDIT_OS_NOT, 'Debian 10.0', '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': '10.0', 'prefix': 'trafficserver', 'reference': '8.0.2+ds-1+deb10u5'},
{'release': '10.0', 'prefix': 'trafficserver-dev', 'reference': '8.0.2+ds-1+deb10u5'},
{'release': '10.0', 'prefix': 'trafficserver-experimental-plugins', 'reference': '8.0.2+ds-1+deb10u5'}
];
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_HOLE,
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, 'trafficserver / trafficserver-dev / trafficserver-experimental-plugins');
}
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | trafficserver | p-cpe:/a:debian:debian_linux:trafficserver |
debian | debian_linux | trafficserver-dev | p-cpe:/a:debian:debian_linux:trafficserver-dev |
debian | debian_linux | trafficserver-experimental-plugins | p-cpe:/a:debian:debian_linux:trafficserver-experimental-plugins |
debian | debian_linux | 10.0 | cpe:/o:debian:debian_linux:10.0 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27577
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32565
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32566
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32567
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35474
www.nessus.org/u?20613153
packages.debian.org/source/buster/trafficserver
security-tracker.debian.org/tracker/CVE-2021-27577
security-tracker.debian.org/tracker/CVE-2021-32565
security-tracker.debian.org/tracker/CVE-2021-32566
security-tracker.debian.org/tracker/CVE-2021-32567
security-tracker.debian.org/tracker/CVE-2021-35474
www.debian.org/security/2021/dsa-4957
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.003 Low
EPSS
Percentile
69.7%