The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4784-1 advisory.

    It was discovered that Xerces-C++ XML Parser mishandles certain kinds of external DTD references,     resulting in a user-after-free. An attacker could use this vulnerability to cause a denial of service     (crash) or possibly execute arbitrary code. This issue affected only Ubuntu 16.04 ESM. (CVE-2016-2099)

    It was discovered that Xerces-C++ XML Parser fails to successfully parse a DTD that is too deeply nested.
    An unauthenticated attacker could use this vulnerability to cause a denial of service. This issue affected     only Ubuntu 16.04 ESM. (CVE-2016-4463)

    It was discovered that Xerces-C++ mishandles certain kinds of external DTD references, resulting in     dereference of a NULL pointer. An attacker could use this vulnerability to cause a denial of service.
    (CVE-2017-12627)

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.

This update for xerces-c fixes the following issues :

CVE-2017-12627: Processing of external DTD paths could have resulted in a NULL pointer dereference under certain conditions (bsc#1083630)

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.

According to the versions of the xerces-c package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Xerces-C is a validating XML parser written in a     portable subset of C++. Xerces-C makes it easy to give     your application the ability to read and write XML     data. A shared library is provided for parsing,     generating, manipulating, and validating XML documents.
    Xerces-C is faithful to the XML 1.0 recommendation and     associated standards: XML 1.0 (Third Edition), XML 1.1     (First Edition), DOM Level 1, 2, 3 Core, DOM Level 2.0     Traversal and Range,DOM Level 3.0 Load and Save, SAX     1.0 and SAX 2.0, Namespaces in XML, Namespaces in XML     1.1, XML Schema, XML Inclusions).

  - Security fix(es):

  - In Apache Xerces-C XML Parser library before 3.2.1,     processing of external DTD paths can result in a null     pointer dereference under certain     conditions.(CVE-2017-12627)

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.

This update for xerces-c fixes the following issue :

  - CVE-2017-12627: Processing of external DTD paths could     have resulted in a NULL pointer dereference under     certain conditions (bsc#1083630)

This update was imported from the SUSE:SLE-15:Update update project.

This update for xerces-c fixes the following issue :

CVE-2017-12627: Processing of external DTD paths could have resulted in a NULL pointer dereference under certain conditions (bsc#1083630)

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.

Alberto Garcia, Francisco Oca and Suleman Ali of Offensive Research discovered that the Xerces-C XML parser mishandles certain kinds of external DTD references, resulting in dereference of a NULL pointer while processing the path to the DTD. The bug allows for a denial of service attack in applications that allow DTD processing and do not prevent external DTD usage, and could conceivably result in remote code execution.

For Debian 7 'Wheezy', these problems have been fixed in version 3.1.1-3+deb7u5.

We recommend that you upgrade your xerces-c 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.

An update of the xerces package has been released.

Update to 3.2.1 (CVE-2017-12627)

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.

ID	Name	Product	Family	Published	Updated	Severity
183141	Ubuntu 16.04 ESM / 18.04 ESM : Xerces-C++ vulnerabilities (USN-4784-1)	Nessus	Ubuntu Local Security Checks	10/16/2023	8/27/2024	critical
139592	SUSE SLES12 Security Update : xerces-c (SUSE-SU-2020:2225-1)	Nessus	SuSE Local Security Checks	8/14/2020	1/13/2021	critical
110736	EulerOS 2.0 SP3 : xerces-c (EulerOS-SA-2018-1160)	Nessus	Huawei Local Security Checks	6/28/2018	9/12/2024	critical
124357	openSUSE Security Update : xerces-c (openSUSE-2019-1283)	Nessus	SuSE Local Security Checks	4/29/2019	5/30/2024	critical
124151	SUSE SLED15 / SLES15 Security Update : xerces-c (SUSE-SU-2019:0977-1)	Nessus	SuSE Local Security Checks	4/18/2019	5/31/2024	critical
108728	Debian DLA-1328-1 : xerces-c security update	Nessus	Debian Local Security Checks	3/30/2018	11/22/2024	critical
109498	EulerOS 2.0 SP1 : xerces-c (EulerOS-SA-2018-1100)	Nessus	Huawei Local Security Checks	5/2/2018	10/15/2024	critical
109499	EulerOS 2.0 SP2 : xerces-c (EulerOS-SA-2018-1101)	Nessus	Huawei Local Security Checks	5/2/2018	10/15/2024	critical
121831	Photon OS 1.0: Xerces PHSA-2018-1.0-0126	Nessus	PhotonOS Local Security Checks	2/7/2019	2/7/2019	critical
203061	Photon OS 2.0: Xerces PHSA-2018-2.0-0037	Nessus	PhotonOS Local Security Checks	7/23/2024	7/23/2024	critical
120555	Fedora 28 : mingw-gdal / mingw-xerces-c (2018-7b97e553ff)	Nessus	Fedora Local Security Checks	1/3/2019	7/2/2024	critical

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