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Ubuntu 16.04 LTS / 18.04 LTS : Twisted vulnerabilities (USN-4308-1)

critical Nessus Plugin ID 134758

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Synopsis

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

Description

it was discovered that Twisted incorrectly validated or sanitized certain URIs or HTTP methods. A remote attacker could use this issue to inject invalid characters and possibly perform header injection attacks. (CVE-2019-12387)

It was discovered that Twisted incorrectly verified XMPP TLS certificates. A remote attacker could possibly use this issue to perform a man-in-the-middle attack and obtain sensitive information.
(CVE-2019-12855)

It was discovered that Twisted incorrectly handled HTTP/2 connections.
A remote attacker could possibly use this issue to cause Twisted to hang or consume resources, leading to a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 19.10. (CVE-2019-9512, CVE-2019-9514, CVE-2019-9515)

Jake Miller and ZeddYu Lu discovered that Twisted incorrectly handled certain content-length headers. A remote attacker could possibly use this issue to perform HTTP request splitting attacks. (CVE-2020-10108, CVE-2020-10109).

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-4308-1

Plugin Details

Severity: Critical

ID: 134758

File Name: ubuntu_USN-4308-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 3/20/2020

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: 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-2020-10109

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:python-twisted, p-cpe:/a:canonical:ubuntu_linux:python-twisted-bin, p-cpe:/a:canonical:ubuntu_linux:python-twisted-conch, p-cpe:/a:canonical:ubuntu_linux:python-twisted-core, p-cpe:/a:canonical:ubuntu_linux:python-twisted-mail, p-cpe:/a:canonical:ubuntu_linux:python-twisted-names, p-cpe:/a:canonical:ubuntu_linux:python-twisted-news, p-cpe:/a:canonical:ubuntu_linux:python-twisted-runner, p-cpe:/a:canonical:ubuntu_linux:python-twisted-web, p-cpe:/a:canonical:ubuntu_linux:python-twisted-words, p-cpe:/a:canonical:ubuntu_linux:python3-twisted, p-cpe:/a:canonical:ubuntu_linux:python3-twisted-bin, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/19/2020

Vulnerability Publication Date: 6/10/2019

Reference Information

CVE: CVE-2019-12387, CVE-2019-12855, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515, CVE-2020-10108, CVE-2020-10109

USN: 4308-1