Ubuntu 19.04 : samba vulnerabilities (USN-4018-1)

medium Nessus Plugin ID 126064

Synopsis

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

Description

It was discovered that Samba incorrectly handled certain RPC messages.
A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2019-12435)

It was discovered that Samba incorrectly handled LDAP pages searches.
A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2019-12436).

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 samba package.

See Also

https://usn.ubuntu.com/4018-1/

Plugin Details

Severity: Medium

ID: 126064

File Name: ubuntu_USN-4018-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 6/20/2019

Updated: 5/15/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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-2019-12436

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: cpe:/o:canonical:ubuntu_linux:19.04, p-cpe:/a:canonical:ubuntu_linux:samba

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/19/2019

Vulnerability Publication Date: 6/19/2019

Reference Information

CVE: CVE-2019-12435, CVE-2019-12436

USN: 4018-1