CVE-2004-2135

cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain "IV computation" weaknesses that allow watermarked files to be detected without decryption.

• http://marc.info/?l=linux-kernel&m=107719798631935&w=2
• http://mareichelt.de/pub/notmine/diskenc.pdf
• http://www.securiteam.com/exploits/5UP0P1PFPM.htmlExploit, Vendor Advisory
• http://www.securityfocus.com/bid/13775Exploit, Vendor Advisory
• http://marc.info/?l=linux-kernel&m=107719798631935&w=2
• http://mareichelt.de/pub/notmine/diskenc.pdf
• http://www.securiteam.com/exploits/5UP0P1PFPM.htmlExploit, Vendor Advisory
• http://www.securityfocus.com/bid/13775Exploit, Vendor Advisory

Published

May 26, 2004

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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