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FreeBSD : Template::Toolkit -- Directory traversal on write (2bab995f-36d4-11ea-9dad-002590acae31)

critical Nessus Plugin ID 132879

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Synopsis

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

Description

Art Manion and Will Dormann report :

By using an older and less-secure form of open(), it is possible for untrusted template files to cause reads/writes outside of the template directories. This vulnerability is a component of the recent Citrix exploit.

Solution

Update the affected package.

See Also

https://www.kb.cert.org/vuls/id/619785/

http://www.nessus.org/u?e74959bf

Plugin Details

Severity: Critical

ID: 132879

File Name: freebsd_pkg_2bab995f36d411ea9dad002590acae31.nasl

Version: 1.10

Type: local

Published: 1/15/2020

Updated: 1/19/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

CVSS Score Source: CVE-2019-19781

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:p5-template-toolkit, 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: 1/14/2020

Vulnerability Publication Date: 12/13/2019

CISA Known Exploited Vulnerability Due Dates: 5/3/2022

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Citrix ADC (NetScaler) Directory Traversal RCE)

Reference Information

CVE: CVE-2019-19781

CISA-NCAS: AA22-011A