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Ubuntu 16.04 LTS / 18.04 LTS : Cyrus SASL vulnerability (USN-4256-1)

high Nessus Plugin ID 133352

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4256-1 advisory.

 It was discovered that Cyrus SASL incorrectly handled certain LDAP packets. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue 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-4256-1

Plugin Details

Severity: High

ID: 133352

File Name: ubuntu_USN-4256-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 1/30/2020

Updated: 8/27/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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-2019-19906

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: p-cpe:/a:canonical:ubuntu_linux:libsasl2-2, p-cpe:/a:canonical:ubuntu_linux:libsasl2-modules-otp, p-cpe:/a:canonical:ubuntu_linux:libsasl2-dev, p-cpe:/a:canonical:ubuntu_linux:libsasl2-modules-gssapi-mit, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libsasl2-modules-ldap, p-cpe:/a:canonical:ubuntu_linux:sasl2-bin, p-cpe:/a:canonical:ubuntu_linux:libsasl2-modules-db, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libsasl2-modules-gssapi-heimdal, p-cpe:/a:canonical:ubuntu_linux:libsasl2-modules-sql, p-cpe:/a:canonical:ubuntu_linux:libsasl2-modules

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/28/2020

Vulnerability Publication Date: 12/19/2019

Reference Information

CVE: CVE-2019-19906

USN: 4256-1