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Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : Expat vulnerabilities and regression (USN-5320-1)

critical Nessus Plugin ID 158789

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5320-1 advisory.

 USN-5288-1 fixed several vulnerabilities in Expat. For CVE-2022-25236 it caused a regression and an additional patch was required. This update address this regression and several other vulnerabilities.

 It was discovered that Expat incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-25313)

 It was discovered that Expat incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.10. (CVE-2022-25314)

 It was discovered that Expat incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. (CVE-2022-25315)



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-5320-1

Plugin Details

Severity: Critical

ID: 158789

File Name: ubuntu_USN-5320-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 3/10/2022

Updated: 8/29/2024

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: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2022-25315

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libexpat1, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:expat, p-cpe:/a:canonical:ubuntu_linux:lib64expat1, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libexpat1-dev, p-cpe:/a:canonical:ubuntu_linux:lib64expat1-dev, cpe:/o:canonical:ubuntu_linux:16.04:-:esm

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: 3/10/2022

Vulnerability Publication Date: 2/18/2022

Reference Information

CVE: CVE-2022-25313, CVE-2022-25314, CVE-2022-25315

USN: 5320-1