Race Condition Affecting samba-krb5-printing package, versions <0:4.14.5-2.el8
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Test your applications- Snyk ID SNYK-CENTOS8-SAMBAKRB5PRINTING-2332523
- published 11 Jan 2022
- disclosed 10 Jan 2022
Introduced: 10 Jan 2022
CVE-2021-43566 Open this link in a new tabHow to fix?
Upgrade Centos:8 samba-krb5-printing to version 0:4.14.5-2.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream samba-krb5-printing package and not the samba-krb5-printing package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed.
References
- https://access.redhat.com/security/cve/CVE-2021-43566
- https://access.redhat.com/errata/RHBA-2021:4438
- https://www.samba.org/samba/history/
- https://bugzilla.samba.org/show_bug.cgi?id=13979
- https://www.samba.org/samba/security/CVE-2021-43566.html
- https://security.netapp.com/advisory/ntap-20220110-0001/