UnrealIRCd Backdoor Detection

critical Nessus Plugin ID 46882

Synopsis

The remote IRC server contains a backdoor.

Description

The remote IRC server is a version of UnrealIRCd with a backdoor that allows an attacker to execute arbitrary code on the affected host.

Solution

Re-download the software, verify it using the published MD5 / SHA1 checksums, and re-install it.

See Also

https://seclists.org/fulldisclosure/2010/Jun/277

https://seclists.org/fulldisclosure/2010/Jun/284

http://www.unrealircd.com/txt/unrealsecadvisory.20100612.txt

Plugin Details

Severity: Critical

ID: 46882

File Name: unreal_ircd_backdoor.nasl

Version: 1.16

Type: remote

Family: Backdoors

Published: 6/14/2010

Updated: 4/11/2022

Configuration: Enable thorough checks

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:F/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:unrealircd:unrealircd

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/12/2010

Vulnerability Publication Date: 6/12/2010

Exploitable With

CANVAS (White_Phosphorus)

Metasploit (UnrealIRCD 3.2.8.1 Backdoor Command Execution)

Reference Information

CVE: CVE-2010-2075

BID: 40820