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Ubuntu 18.10 : ZNC vulnerability (USN-3950-1)

medium Nessus Plugin ID 124191

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Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

It was discovered that ZNC incorrectly handled certain invalid encodings. An authenticated remote user could use this issue to cause ZNC to crash, resulting in a denial of service, or possibly execute arbitrary code.

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 znc package.

See Also

https://usn.ubuntu.com/3950-1/

Plugin Details

Severity: Medium

ID: 124191

File Name: ubuntu_USN-3950-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 4/19/2019

Updated: 5/31/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2019-9917

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:znc, cpe:/o:canonical:ubuntu_linux:18.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/18/2019

Vulnerability Publication Date: 3/27/2019

Reference Information

CVE: CVE-2019-9917

USN: 3950-1