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Bug 770337 (CVE-2013-20001) - sys-fs/zfs: ipv6 access control confusion (CVE-2013-20001)
Summary: sys-fs/zfs: ipv6 access control confusion (CVE-2013-20001)
Status: CONFIRMED
Alias: CVE-2013-20001
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal trivial (vote)
Assignee: Gentoo Security
URL: https://github.com/openzfs/zfs/issues...
Whiteboard: C4 [upstream/ebuild]
Keywords:
Depends on:
Blocks:
 
Reported: 2021-02-13 02:47 UTC by John Helmert III
Modified: 2021-10-23 13:16 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description John Helmert III gentoo-dev Security 2021-02-13 02:47:19 UTC
CVE-2013-20001:

An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.
Comment 1 NATTkA bot gentoo-dev 2021-07-29 17:24:08 UTC Comment hidden (obsolete)
Comment 2 NATTkA bot gentoo-dev 2021-07-29 17:32:34 UTC Comment hidden (obsolete)
Comment 3 NATTkA bot gentoo-dev 2021-07-29 17:40:28 UTC Comment hidden (obsolete)
Comment 4 NATTkA bot gentoo-dev 2021-07-29 17:48:37 UTC Comment hidden (obsolete)
Comment 5 NATTkA bot gentoo-dev 2021-07-29 18:04:34 UTC Comment hidden (obsolete)
Comment 6 NATTkA bot gentoo-dev 2021-07-29 18:12:52 UTC
Package list is empty or all packages have requested keywords.
Comment 7 John Helmert III gentoo-dev Security 2021-10-23 13:16:35 UTC
This seems to have been patched, though based on the PR discussion it seems like there may be extra admin work to properly fix it:

https://github.com/openzfs/zfs/commit/6cb5e1e7591da20af3a15793e022345a73e40fb7
https://github.com/openzfs/zfs/pull/11939