FreeBSD : x11vnc -- authentication bypass vulnerability (9dda3ff1-2b02-11db-a6e2-000e0c2e438a)

high Nessus Plugin ID 22212

Synopsis

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

Description

Ludwig Nussel reports that x11vnc is vulnerable to an authentication bypass vulnerability. The vulnerability is caused by an error in auth.c. This could allow a remote attacker to gain unauthorized and unauthenticated access to the system.

Solution

Update the affected package.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=376824

http://www.nessus.org/u?2ef70d2e

Plugin Details

Severity: High

ID: 22212

File Name: freebsd_pkg_9dda3ff12b0211dba6e2000e0c2e438a.nasl

Version: 1.15

Type: local

Published: 8/14/2006

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.6

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Vulnerability Information

CPE: cpe:/o:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:x11vnc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2006

Vulnerability Publication Date: 8/8/2006

Reference Information

CVE: CVE-2006-2450

BID: 18977