First published: Mon Feb 21 2022(Updated: )
The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes. A remote attacker with write access to extended file attributes can execute arbitrary code with the privileges of smbd, typically root.
Credit: cret@cert.org cret@cert.org
Affected Software | Affected Version | How to fix |
---|---|---|
Samba Samba | <4.13.17 | |
Samba Samba | >=4.14.0<4.14.12 | |
Samba Samba | >=4.15.0<4.15.5 | |
Debian Debian Linux | =10.0 | |
Debian Debian Linux | =11.0 | |
Canonical Ubuntu Linux | =14.04 | |
Canonical Ubuntu Linux | =16.04 | |
Canonical Ubuntu Linux | =18.04 | |
Canonical Ubuntu Linux | =20.04 | |
Canonical Ubuntu Linux | =21.10 | |
Synology DiskStation Manager | >=6.2<6.2.4-25556.4 | |
Fedoraproject Fedora | =34 | |
Fedoraproject Fedora | =35 | |
Redhat Codeready Linux Builder | ||
Redhat Gluster Storage | =3.5 | |
Redhat Virtualization Host | =4.0 | |
Redhat Enterprise Linux | =7.0 | |
Redhat Enterprise Linux | =8.0 | |
Redhat Enterprise Linux Desktop | =7.0 | |
Redhat Enterprise Linux Eus | =8.2 | |
Redhat Enterprise Linux Eus | =8.4 | |
Redhat Enterprise Linux For Ibm Z Systems | =7.0 | |
Redhat Enterprise Linux For Ibm Z Systems | =8.0 | |
Redhat Enterprise Linux For Ibm Z Systems Eus | =8.2 | |
Redhat Enterprise Linux For Ibm Z Systems Eus | =8.4 | |
Redhat Enterprise Linux For Power Big Endian | =7.0 | |
Redhat Enterprise Linux For Power Little Endian | =7.0 | |
Redhat Enterprise Linux For Power Little Endian | =8.0 | |
Redhat Enterprise Linux For Power Little Endian Eus | =8.2 | |
Redhat Enterprise Linux For Power Little Endian Eus | =8.4 | |
Redhat Enterprise Linux For Scientific Computing | =7.0 | |
Redhat Enterprise Linux Resilient Storage | =7.0 | |
Redhat Enterprise Linux Server | =7.0 | |
Redhat Enterprise Linux Server | =8.1 | |
Redhat Enterprise Linux Server Aus | =8.2 | |
Redhat Enterprise Linux Server Aus | =8.4 | |
Redhat Enterprise Linux Server Tus | =8.2 | |
Redhat Enterprise Linux Server Tus | =8.4 | |
Redhat Enterprise Linux Server Update Services For Sap Solutions | =8.1 | |
Redhat Enterprise Linux Server Update Services For Sap Solutions | =8.2 | |
Redhat Enterprise Linux Server Update Services For Sap Solutions | =8.4 | |
Redhat Enterprise Linux Workstation | =7.0 |
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