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Ubuntu 16.04 ESM : Scilab vulnerabilities (USN-5061-1)

high Nessus Plugin ID 183579

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5061-1 advisory.

 - An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd(), while parsing a crafted XML file, performs incorrect memory handling, leading to a NULL pointer dereference while running strcmp() on a NULL pointer. (CVE-2021-30485)

 - An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant. (CVE-2021-31229)

 - An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_parse_str() performs incorrect memory handling while parsing crafted XML files (writing outside a memory region created by mmap).
 (CVE-2021-31347)

 - An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_decode() performs incorrect memory handling while parsing crafted XML files, leading to a heap-based buffer overflow. (CVE-2021-31598)

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-5061-1

Plugin Details

Severity: High

ID: 183579

File Name: ubuntu_USN-5061-1.nasl

Version: 1.0

Type: local

Agent: unix

Published: 10/20/2023

Updated: 10/20/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-31598

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:scilab, p-cpe:/a:canonical:ubuntu_linux:scilab-cli, p-cpe:/a:canonical:ubuntu_linux:scilab-data, p-cpe:/a:canonical:ubuntu_linux:scilab-full-bin, p-cpe:/a:canonical:ubuntu_linux:scilab-include, p-cpe:/a:canonical:ubuntu_linux:scilab-minimal-bin, p-cpe:/a:canonical:ubuntu_linux:scilab-test

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: 9/3/2021

Vulnerability Publication Date: 4/11/2021

Reference Information

CVE: CVE-2021-30485, CVE-2021-31229, CVE-2021-31347, CVE-2021-31598

USN: 5061-1