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Candidate: CVE-2004-2135
Description:
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.
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2135
http://mareichelt.de/pub/notmine/diskenc.pdf
http://mareichelt.de/pub/texts.cryptoloop.php?alt_styles=2
Notes:
jmm> IIRC there was some serious flaming about the different disk encryption systems,
jmm> I'm not sure whether this has been addressed or how real it is
jmm> Plus, cryptoloop is marked DEPRECATED for a long time IIRC
jmm> It's not included in stock 2.4 kernels, but only available in kernel-patch-cryptoloop,
jmm> which is only part of sid and hasn't been shipped with neither Woody nor Sarge, so
jmm> I'm marking all these N/A
- i am 99% sure that these issues still affect the latest kernels
- debian-installer only supports loop-aes and dm-crypt (i believe),
which are known to be not affected by these issues, so most users
are not affected
- i have started an lkml thread: http://lkml.org/lkml/2009/12/2/232, but it appears
that there is no longer any interest in the problems...
jmm> Disabled in 2.6.32-2
Bugs:
upstream:
linux-2.6: released (2.6.32-2)
2.6.18-etch-security: N/A "introduces significant change in funtionality; minor issue"
2.6.24-etch-security: N/A "introduces significant change in funtionality; minor issue"
2.6.26-lenny-security: N/A "introduces significant change in funtionality; minor issue"
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