| GEN:SID | 1:311 |
| Message | EXPLOIT Netscape 4.7 unsucessful overflow |
| Summary | Versions of the Netscape browser including and prior to 4.75 are vulnerable to a buffer overflow that may lead to arbitrary code execution on the victim host. It is also possible to open a root shell listening on a high port on the victim host. This event is generated when a request is made to a web site exploiting this vulnerability.
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| Impact | System compromize presenting the attacker with the opportunity to execute arbitrary code on the victim host.
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| Detailed Information | A buffer overflow condition exists in the HTML parser on some versions of Netscape Navigator. It is possible for a remote attacker to execute arbitrary code on the victim host.
It is possible to crash Netscape Communicator if a large number of characters is supplied in a command from an interactive web page.
Affected Systems: Netscape Navigator 4.75 and prior
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| Affected Systems | |
| Attack Scenarios | The attacker would need to supply a link on a web page or HTML email that triggers the overflow. It is also possible to cause the overflow via HTML email.
Exploit scripts are available
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| Ease of Attack | Simple. Exploits are available.
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| Corrective Action | Upgrade to the latest non-affected version of the software.
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| Additional References | CVE: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2000-1187
Bugtraq: http://www.securityfocus.com/bid/822
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| Rule References | arachnids: 214
bugtraq: 822
cve: 1999-1189
cve: 2000-1187
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