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Ubuntu 16.04 LTS : Tomcat vulnerabilities (USN-4448-1)

high Nessus Plugin ID 139368

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Synopsis

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

Description

It was discovered that Tomcat incorrectly validated the payload length in a WebSocket frame. A remote attacker could possibly use this issue to cause Tomcat to hang, resulting in a denial of service.
(CVE-2020-13935) It was discovered that Tomcat incorrectly handled HTTP header parsing. In certain environments where Tomcat is located behind a reverse proxy, a remote attacker could possibly use this issue to perform HTTP Reqest Smuggling. (CVE-2020-1935) It was discovered that Tomcat incorrectly handled certain uncommon PersistenceManager with FileStore configurations. A remote attacker could possibly use this issue to execute arbitrary code.
(CVE-2020-9484).

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

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-4448-1

Plugin Details

Severity: High

ID: 139368

File Name: ubuntu_USN-4448-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 8/6/2020

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: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.8

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

CVSS Score Source: CVE-2020-1935

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2020-9484

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libtomcat8-java, p-cpe:/a:canonical:ubuntu_linux:tomcat8, p-cpe:/a:canonical:ubuntu_linux:tomcat8-admin, p-cpe:/a:canonical:ubuntu_linux:tomcat8-common, p-cpe:/a:canonical:ubuntu_linux:tomcat8-examples, p-cpe:/a:canonical:ubuntu_linux:tomcat8-user, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libservlet3.1-java

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: 8/4/2020

Vulnerability Publication Date: 2/24/2020

Reference Information

CVE: CVE-2020-13935, CVE-2020-1935, CVE-2020-9484

USN: 4448-1