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jdk -- jar directory traversal vulnerability


Pluf has discovered a vulnerability in Sun Java JDK/SDK, which potentially can be exploited by malicious people to compromise a user's system.

The jar tool does not check properly if the files to be extracted have the string "../" on its names, so it's possible for an attacker to create a malicious jar file in order to overwrite arbitrary files within the filesystem.



portaudit: jdk -- jar directory traversal vulnerability

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If you have found a vulnerability in a FreeBSD port not listed in the database, please contact the FreeBSD Security Officer. Refer to "FreeBSD Security Information" for more information.

Oliver Eikemeier <>