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Bug 1356828 - (CVE-2016-6224) CVE-2016-6224 ecryptfs-utils: ecryptfs-setup-swap improperly configures encrypted swap when using GPT partitioning on a NVMe or MMC drive
CVE-2016-6224 ecryptfs-utils: ecryptfs-setup-swap improperly configures encry...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20160706,repor...
: Security
Depends On: 1356826
Blocks: 1356829
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Reported: 2016-07-15 02:48 EDT by Andrej Nemec
Modified: 2016-11-08 04:51 EST (History)
3 users (show)

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Last Closed: 2016-11-08 04:51:48 EST
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Description Andrej Nemec 2016-07-15 02:48:45 EDT 
A vulnerability was found in ecryptfs-setup-swap script that is provided by the upstream ecryptfs-utils project.

When GPT swap partitions are located on NVMe or MMC drives, ecryptfs-setup-swap fails to mark these swap partitions as "no-auto".

As a consequence, when using encrypted home directory with an NVMe or MMC drive, the swap is left unencrypted. There's also a usability issue in that users are erroneously prompted to enter a pass-phrase to unlock their swap partition at boot.

This vulnerability exists due to an incomplete fix for CVE-2015-8946

References:

http://seclists.org/oss-sec/2016/q3/52

Debian bug:

https://bugs.launchpad.net/ecryptfs/+bug/1597154

Fix:

https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/882
Comment 1 Andrej Nemec 2016-07-15 02:49:48 EDT 
Created ecryptfs-utils tracking bugs for this issue:

Affects: fedora-all [bug 1356826]
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