5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.012 Low
EPSS
Percentile
85.1%
The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1428 advisory.
In the GNU C Library (aka glibc or libc6) through 2.28, the getaddrinfo function would successfully parse a string that contained an IPv4 address followed by whitespace and arbitrary characters, which could lead applications to incorrectly assume that it had parsed a valid string, without the possibility of embedded HTTP headers or other potentially dangerous substrings. (CVE-2016-10739)
An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0.
CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r (specifically in the host component of a URL) followed by an HTTP header. This is similar to the CVE-2019-9740 query string issue and the CVE-2019-9947 path string issue.
(This is not exploitable when glibc has CVE-2016-10739 fixed.) (CVE-2019-18348)
In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation. (CVE-2019-20907)
An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3.
CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r (specifically in the query string after a ? character) followed by an HTTP header or a Redis command. (CVE-2019-9740)
An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3.
CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r (specifically in the path component of a URL that lacks a ? character) followed by an HTTP header or a Redis command. This is similar to the CVE-2019-9740 query string issue.
(CVE-2019-9947)
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux AMI Security Advisory ALAS-2020-1428.
#
include('compat.inc');
if (description)
{
script_id(140087);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/22");
script_cve_id(
"CVE-2016-10739",
"CVE-2019-9740",
"CVE-2019-9947",
"CVE-2019-18348",
"CVE-2019-20907"
);
script_bugtraq_id(106672, 107466, 107555);
script_xref(name:"ALAS", value:"2020-1428");
script_xref(name:"IAVA", value:"2020-A-0340-S");
script_name(english:"Amazon Linux AMI : python36 (ALAS-2020-1428)");
script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux AMI host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1428 advisory.
- In the GNU C Library (aka glibc or libc6) through 2.28, the getaddrinfo function would successfully parse a string that contained an IPv4 address followed by whitespace and arbitrary characters, which could lead applications to incorrectly assume that it had parsed a valid string, without the possibility of embedded HTTP headers or other potentially dangerous substrings. (CVE-2016-10739)
- An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0.
CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r
(specifically in the host component of a URL) followed by an HTTP header. This is similar to the CVE-2019-9740 query string issue and the CVE-2019-9947 path string issue.
(This is not exploitable when glibc has CVE-2016-10739 fixed.) (CVE-2019-18348)
- In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation. (CVE-2019-20907)
- An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3.
CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r
(specifically in the query string after a ? character) followed by an HTTP header or a Redis command. (CVE-2019-9740)
- An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3.
CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r
(specifically in the path component of a URL that lacks a ? character) followed by an HTTP header or a Redis command. This is similar to the CVE-2019-9740 query string issue.
(CVE-2019-9947)
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://alas.aws.amazon.com/ALAS-2020-1428.html");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/CVE-2019-18348");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/CVE-2019-20907");
script_set_attribute(attribute:"solution", value:
"Run 'yum update python36' to update your system.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
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:R/S:C/C:L/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-10739");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2019-9947");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/01/21");
script_set_attribute(attribute:"patch_publication_date", value:"2020/08/27");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/08/31");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python36");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python36-debug");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python36-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python36-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python36-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python36-test");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python36-tools");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Amazon Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/AmazonLinux/release");
if (isnull(release) || !strlen(release)) audit(AUDIT_OS_NOT, "Amazon Linux");
os_ver = pregmatch(pattern: "^AL(A|\d)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "A")
{
if (os_ver == 'A') os_ver = 'AMI';
audit(AUDIT_OS_NOT, "Amazon Linux AMI", "Amazon Linux " + os_ver);
}
if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
pkgs = [
{'reference':'python36-3.6.11-1.18.amzn1', 'cpu':'i686', 'release':'ALA'},
{'reference':'python36-3.6.11-1.18.amzn1', 'cpu':'x86_64', 'release':'ALA'},
{'reference':'python36-debug-3.6.11-1.18.amzn1', 'cpu':'i686', 'release':'ALA'},
{'reference':'python36-debug-3.6.11-1.18.amzn1', 'cpu':'x86_64', 'release':'ALA'},
{'reference':'python36-debuginfo-3.6.11-1.18.amzn1', 'cpu':'i686', 'release':'ALA'},
{'reference':'python36-debuginfo-3.6.11-1.18.amzn1', 'cpu':'x86_64', 'release':'ALA'},
{'reference':'python36-devel-3.6.11-1.18.amzn1', 'cpu':'i686', 'release':'ALA'},
{'reference':'python36-devel-3.6.11-1.18.amzn1', 'cpu':'x86_64', 'release':'ALA'},
{'reference':'python36-libs-3.6.11-1.18.amzn1', 'cpu':'i686', 'release':'ALA'},
{'reference':'python36-libs-3.6.11-1.18.amzn1', 'cpu':'x86_64', 'release':'ALA'},
{'reference':'python36-test-3.6.11-1.18.amzn1', 'cpu':'i686', 'release':'ALA'},
{'reference':'python36-test-3.6.11-1.18.amzn1', 'cpu':'x86_64', 'release':'ALA'},
{'reference':'python36-tools-3.6.11-1.18.amzn1', 'cpu':'i686', 'release':'ALA'},
{'reference':'python36-tools-3.6.11-1.18.amzn1', 'cpu':'x86_64', 'release':'ALA'}
];
flag = 0;
foreach package_array ( pkgs ) {
reference = NULL;
release = NULL;
cpu = NULL;
el_string = NULL;
rpm_spec_vers_cmp = NULL;
allowmaj = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) release = package_array['release'];
if (!empty_or_null(package_array['cpu'])) cpu = package_array['cpu'];
if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
if (reference && release) {
if (rpm_check(release:release, cpu:cpu, reference:reference, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : rpm_report_get()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python36 / python36-debug / python36-debuginfo / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
amazon | linux | python36 | p-cpe:/a:amazon:linux:python36 |
amazon | linux | python36-debug | p-cpe:/a:amazon:linux:python36-debug |
amazon | linux | python36-debuginfo | p-cpe:/a:amazon:linux:python36-debuginfo |
amazon | linux | python36-devel | p-cpe:/a:amazon:linux:python36-devel |
amazon | linux | python36-libs | p-cpe:/a:amazon:linux:python36-libs |
amazon | linux | python36-test | p-cpe:/a:amazon:linux:python36-test |
amazon | linux | python36-tools | p-cpe:/a:amazon:linux:python36-tools |
amazon | linux | cpe:/o:amazon:linux |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10739
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18348
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20907
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9740
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9947
access.redhat.com/security/cve/CVE-2019-18348
access.redhat.com/security/cve/CVE-2019-20907
alas.aws.amazon.com/ALAS-2020-1428.html
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.012 Low
EPSS
Percentile
85.1%