Python's elementtree C accelerator failed to initialise Expat's hash salt during initialization. This could make it easy to conduct denial of service attacks against Expat by contructing an XML document that would cause pathological hash collisions in Expat's internal data structures, consuming large amounts CPU and RAM.(CVE-2018-14647)

Update to 3.6.7

Security fix for CVE-2018-14647

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Security fix for CVE-2018-14647

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the python packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - python: DOS via regular expression backtracking in     difflib.IS_LINE_JUNK method in difflib (CVE-2018-1061)

  - python: DOS via regular expression catastrophic     backtracking in apop() method in pop3lib     (CVE-2018-1060)

  - python: Missing salt initialization in _elementtree.c     module(CVE-2018-14647)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3725 advisory.

    Python is an interpreted, interactive, object-oriented programming language, which includes modules,     classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to     many system calls and libraries, as well as to various windowing systems.

    The following packages have been upgraded to a later upstream version: rh-python36-python (3.6.9).
    (BZ#1709344)

    Security Fix(es):

    * python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib     (CVE-2018-1061)

    * python: Missing salt initialization in _elementtree.c module (CVE-2018-14647)

    * python: Cookie domain check returns incorrect results (CVE-2018-20852)

    * python: NULL pointer dereference using a specially crafted X509 certificate (CVE-2019-5010)

    * python: CRLF injection via the query part of the url passed to urlopen() (CVE-2019-9740)

    * python: CRLF injection via the path part of the url passed to urlopen() (CVE-2019-9947)

    * python: email.utils.parseaddr wrongly parses email addresses (CVE-2019-16056)

    * python: DOS via regular expression catastrophic backtracking in apop() method in pop3lib (CVE-2018-1060)

    * python: Integer overflow in Modules/_pickle.c allows for memory exhaustion if serializing gigabytes of     data (CVE-2018-20406)

    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):

    * urlsplit doesn't accept a NFKD hostname with a port number (BZ#1709340)

    * rh-python36 cannot unpickle datetime.date objects (BZ#1749103)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1346 advisory.

    Python is an interpreted, interactive, object-oriented programming language, which includes modules,     classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to     many system calls and libraries, as well as to various windowing systems.

    Security Fix(es):

    * python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib     (CVE-2018-1061)

    * python: Missing salt initialization in _elementtree.c module (CVE-2018-14647)

    * python: CRLF injection via the query part of the url passed to urlopen() (CVE-2019-9740)

    * python: CRLF injection via the path part of the url passed to urlopen() (CVE-2019-9947)

    * python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms     (CVE-2019-9948)

    * python: DOS via regular expression catastrophic backtracking in apop() method in pop3lib (CVE-2018-1060)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This plugin has been deprecated as it does not adhere to established standards for this style of check.

This update for python3 fixes the following issues :

CVE-2019-10160: Fixed a regression in urlparse() and urlsplit() introduced by the fix for CVE-2019-9636 (bsc#1138459).

CVE-2018-14647: Fixed a denial of service vulnerability caused by a crafted XML document (bsc#1109847).

CVE-2018-1000802: Fixed a command injection in the shutil module (bsc#1109663).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3817-1 advisory.

    It was discovered that Python incorrectly handled large amounts of data. A remote attacker could use this     issue to cause Python to crash, resulting in a denial of service, or possibly execute arbitrary code. This     issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2018-1000030)

    It was discovered that Python incorrectly handled running external commands in the shutil module. A remote     attacker could use this issue to cause Python to crash, resulting in a denial of service, or possibly     execute arbitrary code. (CVE-2018-1000802)

    It was discovered that Python incorrectly used regular expressions vulnerable to catastrophic     backtracking. A remote attacker could possibly use this issue to cause a denial of service. This issue     only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2018-1060, CVE-2018-1061)

    It was discovered that Python failed to initialize Expat's hash salt. A remote attacker could possibly use     this issue to cause hash collisions, leading to a denial of service. (CVE-2018-14647)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1462 advisory.

    Python is an interpreted, interactive, object-oriented programming language, which includes modules,     classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to     many system calls and libraries, as well as to various windowing systems.

    Security Fix(es):

    * python: Missing salt initialization in _elementtree.c module (CVE-2018-14647)

    * python: CRLF injection via the query part of the url passed to urlopen() (CVE-2019-9740)

    * python: CRLF injection via the path part of the url passed to urlopen() (CVE-2019-9947)

    * python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms     (CVE-2019-9948)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
118805	Amazon Linux AMI : python35 (ALAS-2018-1101)	Nessus	Amazon Linux Local Security Checks	11/8/2018	7/25/2024	high
120458	Fedora 28 : python3 (2018-5ed8fb9efa)	Nessus	Fedora Local Security Checks	1/3/2019	7/5/2024	high
120744	Fedora 28 : python33 (2018-bbbd8cc3a6)	Nessus	Fedora Local Security Checks	1/3/2019	7/1/2024	high
122382	EulerOS 2.0 SP2 : python (EulerOS-SA-2019-1055)	Nessus	Huawei Local Security Checks	2/22/2019	6/18/2024	high
194161	RHEL 6 / 7 : rh-python36-python (RHSA-2019:3725)	Nessus	Red Hat Local Security Checks	4/28/2024	11/7/2024	critical
135247	RHEL 7 : python (RHSA-2020:1346)	Nessus	Red Hat Local Security Checks	4/7/2020	11/7/2024	critical
196688	RHEL 5 : python (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	5/11/2024	5/31/2024	critical
196757	RHEL 6 : python (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	5/11/2024	5/31/2024	critical
128019	SUSE SLES12 Security Update : python3 (SUSE-SU-2019:2053-2)	Nessus	SuSE Local Security Checks	8/20/2019	5/2/2024	critical
164608	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.11.2)	Nessus	Misc.	9/1/2022	7/10/2024	critical
118954	Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Python vulnerabilities (USN-3817-1)	Nessus	Ubuntu Local Security Checks	11/14/2018	8/27/2024	critical
135459	RHEL 7 : python (RHSA-2020:1462)	Nessus	Red Hat Local Security Checks	4/14/2020	11/7/2024	critical

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