Detections
Analytics

XChat /dns Reverse Lookup Response Arbitrary Command Execution

medium Nessus Network Monitor Plugin ID 1874

Synopsis

The remote host is vulnerable to an flaw which allows attackers to execute arbitrary commands.

Description

The remote host is running the XChat IRC client. X-Chat versions 1.8.8 and earlier could allow a remote attacker to execute arbitrary commands on the X-Chat client. A vulnerability regarding the lack of filtering in the EXECL command could allow an attacker to send a specially crafted /dns query that would return a malformed response from the server to execute arbitrary commands on the X-Chat client.

Solution

Upgrade or patch according to vendor recommendations.

Plugin Details

Severity: Medium

ID: 1874

Family: IRC Clients

Published: 8/20/2004

Updated: 3/6/2019

Risk Information

VPR

Risk Factor: Medium

Score: 5.3

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:xchat:xchat

Reference Information

CVE: CVE-2002-0382

BID: 4376