BitchX IRC Client DNS Response Remote Overflow

Medium Nessus Network Monitor Plugin ID 1856


The remote host is running a version of the BitchX IRC client that may be vulnerable to a buffer overflow.


A buffer overflow within the DNS resolver code makes it possible to overwrite stack variables by generating a malformed DNS packet. A malicious attacker may use this vulnerability to execute arbitrary code in the context of the BitchX client. Note that it is necessary for an attacker to control a DNS server to exploit this bug.


Upgrade or patch according to vendor recommendations.

Plugin Details

Severity: Medium

ID: 1856

Family: IRC Clients

Published: 2004/08/20

Modified: 2016/11/23

Dependencies: 1878

Risk Information

Risk Factor: Medium


Base Score: 5.1

Temporal Score: 4.2

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

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND


Base Score: 5.6

Temporal Score: 5.2


Temporal Vector: CVSS3#E:F/RL:O/RC:X

Reference Information

CVE: CVE-2001-0050

BID: 2087