2449.txt

来自「This is the snapshot of Snot Latest Rule」· 文本 代码 · 共 66 行

Rule:

--
Sid:
2449

--
Summary:
This event is generated when an attempt is made to exploit a buffer 
overflow vulnerability associated with Ipswitch WS FTP ALLO command.

--
Impact:
Remote access.  A successful attack may permit the remote execution of 
arbitrary commands with system privileges. A Denial of Service (DoS)
attack may also be possible.

--
Detailed Information:
Ipswitch WS FTP is an FTP server. A vulnerability exists with the ALLO 
command that can cause a buffer overflow and permit the execution of 
arbitrary commands with system privileges. The buffer overflow can be 
caused by supplying an overly long argument to the ALLO command.

--
Affected Systems:
	Ipswitch WS FTP Server 1.0.1 through 1.0.5, 2.0 through 2.0.4, 
	3.0 1, 3.0, 3.1, 3.1.1, 3.1.2, 3.1.3, 3.4, 4.0 2, 4.0 1 and 4.0
	Ipswitch WS_FTP Pro 6.0, 7.5, 8.0 3, 8.0 2

--
Attack Scenarios:
An attacker can use one of the publicly available exploit scripts to
cause the overflow to occur.

--
Ease of Attack:
Simple.  Many exploits exist.

--
False Positives:
None Known.

--
False Negatives:
None Known.

--
Corrective Action:
Upgrade to the latest non-affected version of the software.

Use scp as an alternative to ftp

Disallow ftp access to internal resources from external sources

--
Contributors:
Sourcefire Vulnerability Research Team
Brian Caswell <[e-mail]> 
Nigel Houghton <[e-mail]>

--
Additional References:

--