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leafnode fetchnews denial-of-service triggered by truncated transmission

Description:

When a downloaded news article ends prematurely, i. e. when the server sends [CR]LF.[CR]LF before sending a blank line, fetchnews may wait indefinitely for data that never arrives. Workaround: configure "minlines=1" (or use a bigger value) in the configuration file. Found by Toni Viemerö.

References:

Affects:

portaudit: leafnode fetchnews denial-of-service triggered by truncated transmission

Disclaimer: The data contained on this page is derived from the VuXML document, please refer to the the original document for copyright information. The author of portaudit makes no claim of authorship or ownership of any of the information contained herein.

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 <eik@FreeBSD.org>