2657.txt

来自「This is the snapshot of Snot Latest Rule」· 文本 代码 · 共 62 行

Rule:

--
Sid:
2657

--
Summary:
This event is generated when an attempt is made to exploit a vulnerability
associated with Netscape Network Security Services (NSS) message parsing.

--
Impact:
A successful attack can cause a heap overflow and the subsequent execution
of arbitrary code on a vulnerable server.

--
Detailed Information:
A vulnerability exists in the way NSS parses a client connect SSLv2 message
that can cause a heap overflow and the subsequent execution of arbitrary code
on a vulnerable server.  This can occur when an overly long challenge length
and accompanying data are supplied in a Client Hello message.

--
Affected Systems:
Netscape Enterprise Webserver all versions
Netscape Personalization Engine all versions
Nescape Directory Server all versions
Netscape Certificate Management Server all versions
Sun One/iPlanet all versions

--
Attack Scenarios:
An attacker can send a Client Hello message with an overly long challenge
length and data, causing a heap overflow on a vulnerable server.

--
Ease of Attack:
Difficult.

--
False Positives:
None known.

--
False Negatives:None known.

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

--
Contributors:
Sourcefire Vulnerability Research Team
Judy Novak <[e-mail]>
Brian Caswell <[e-mail]>

--
Additional References:

--