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FreeBSD : libntlm -- buffer overflow vulnerability (0f798bd6-8325-11ea-9a78-08002728f74c)

critical Nessus Plugin ID 135881

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

NVD reports :

Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read in buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.

Solution

Update the affected package.

See Also

https://gitlab.com/jas/libntlm/-/issues/2

http://www.nessus.org/u?96f35f8f

Plugin Details

Severity: Critical

ID: 135881

File Name: freebsd_pkg_0f798bd6832511ea9a7808002728f74c.nasl

Version: 1.3

Type: local

Published: 4/22/2020

Updated: 3/15/2024

Supported Sensors: 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-2019-17455

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:freebsd:freebsd:libntlm, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/21/2020

Vulnerability Publication Date: 10/8/2019

Reference Information

CVE: CVE-2019-17455