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FreeBSD : sudo -- Potential bypass of tty_tickets constraints (82cfd919-8213-11e2-9273-902b343deec9)

medium Nessus Plugin ID 64988

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Synopsis

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

Description

Todd Miller reports :

A (potentially malicious) program run by a user with sudo access may be able to bypass the 'tty_ticket' constraints. In order for this to succeed there must exist on the machine a terminal device that the user has previously authenticated themselves on via sudo within the last time stamp timeout (5 minutes by default).

Solution

Update the affected package.

See Also

https://www.sudo.ws/sudo/alerts/tty_tickets.html

http://www.nessus.org/u?dfea0190

Plugin Details

Severity: Medium

ID: 64988

File Name: freebsd_pkg_82cfd919821311e29273902b343deec9.nasl

Version: 1.8

Type: local

Published: 3/4/2013

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.4

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:sudo, cpe:/o:freebsd:freebsd

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

Patch Publication Date: 3/1/2013

Vulnerability Publication Date: 2/27/2013

Reference Information

CVE: CVE-2013-1776