CVE-1999-1262: Medium severity Netscape Communicator vulnerability
Java in Netscape 4.5 does not properly restrict applets from connecting to other hosts besides the one from which the applet was loaded, which violates the Java security model and could allow remote attackers to conduct unauthorized activities.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
Netscape Communicator Java pluginfrom your environment.Uninstall or remove the Java plugin/runtime used by Netscape Communicator to prevent Java applets from running.
- Configuration
Disable Java/applet support in Netscape Communicator preferences to prevent applets from executing and making connections to other hosts.
Netscape Communicator (Java applet support) Enable Java = false - Compensating control
Apply firewall/egress ACL rules or host-based network controls to restrict or block outgoing connections from the browser/Java runtime so applets cannot connect to hosts other than the origin server.
Event History
Frequently Asked Questions
What is the severity of CVE-1999-1262?
CVE-1999-1262 is classified with a moderate severity level due to the potential for unauthorized access by remote attackers.
How do I fix CVE-1999-1262?
To remediate CVE-1999-1262, users should update to a patched version of Netscape Communicator that corrects the applet security flaw.
Which versions of Netscape Communicator are affected by CVE-1999-1262?
CVE-1999-1262 affects Netscape Communicator versions 4.01, 4.05, 4.06, 4.07, and 4.08.
What risk does CVE-1999-1262 pose to my system?
CVE-1999-1262 allows applets to connect to unauthorized hosts, which can lead to data breaches or system compromises.
Is there a workaround for CVE-1999-1262 until I can apply a patch?
Disabling Java applets or restricting applet usage in Netscape Communicator can serve as a temporary workaround for CVE-1999-1262.