313.txt

来自「This is the snapshot of Snot Latest Rule」· 文本 代码 · 共 57 行

Rule:

--
Sid:
313

--
Summary:
This event is generated when an attempt to exploit a buffer overflow condition in ntalkd is made.

--
Impact:
Serious. System compromize presenting the attacker with the opportunity to gain remote access to the victim host or execute arbitrary code with the privileges of the superuser account.

--
Detailed Information:
Some versions of the Network Talk Daemon (ntalkd) are vulnerable to a buffer overflow condition which can present the attacker with a root shell.

Talk is used to communicate between users of UNIX based operating systems. A vulnerability exists such that a buffer overflow condition in talk can be exploited by a malicious user. This may then present the attacker with the opportunity to gain root access to the target system.

--
Affected Versions:
Multiple vendors

--
Attack Scenarios:
Once the overflow has been created, the attacker is able to supply incorrect hostname information to the target system and gain root access.

--
Ease of Attack:
Simple. 

--
False Positives:
None Known

--
False Negatives:
None Known

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

Apply vendor supplied patches.

--
Contributors:
Original rule writer unknown
Sourcefire Vulnerability Research Team
Nigel Houghton <[e-mail]>

--
Additional References:

--