Detections
Analytics

Ubuntu 16.04 ESM / 18.04 ESM : Xerces-C++ vulnerabilities (USN-4784-1)

critical Nessus Plugin ID 183141

Language:

Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

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.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-4784-1

Plugin Details

Severity: Critical

ID: 183141

File Name: ubuntu_USN-4784-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/16/2023

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2016-2099

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2017-12627

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libxerces-c-dev, p-cpe:/a:canonical:ubuntu_linux:libxerces-c3.2, p-cpe:/a:canonical:ubuntu_linux:libxerces-c-samples, cpe:/o:canonical:ubuntu_linux:18.04:-:esm, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:libxerces-c3.1

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/15/2021

Vulnerability Publication Date: 5/9/2016

Reference Information

CVE: CVE-2016-2099, CVE-2016-4463, CVE-2017-12627

USN: 4784-1