MGASA-2021-0509 - Updated openafs packages fix security vulnerability

Publication date: 11 Nov 2021
URL: https://advisories.mageia.org/MGASA-2021-0509.html
Type: security
Affected Mageia releases: 8
CVE: CVE-2018-7168

Openafs packages have been updated to 1.9.1 for various bugfixes,
and added a fix for security vulnerability:

There exist in the wild AFS3 clients that improperly construct access
control lists which are then stored to directories via RXAFS_StoreACL
(opcode 134). These clients add negative access control entries (if any)
to the normal rights list. As there is no method by which a fileserver
can determine that the ACL is improperly constructed, the only method
to defend the storage of broken ACLs is to identify clients that are
known to properly construct ACLs by introducing a new RXAFS_StoreACL
opcode (164) (CVE-2018-7168).

Additionally the CellServDB has been updated to latest version and
fixes for suppoorting kernel 5.14 and 5.15 series have been added.

References:
- https://bugs.mageia.org/show_bug.cgi?id=29639
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7168

SRPMS:
- 8/core/openafs-1.9.1-1.mga8

Mageia 2021-0509: openafs security update

Openafs packages have been updated to 1.9.1 for various bugfixes, and added a fix for security vulnerability: There exist in the wild AFS3 clients that improperly construct access...

Summary

Openafs packages have been updated to 1.9.1 for various bugfixes, and added a fix for security vulnerability:
There exist in the wild AFS3 clients that improperly construct access control lists which are then stored to directories via RXAFS_StoreACL (opcode 134). These clients add negative access control entries (if any) to the normal rights list. As there is no method by which a fileserver can determine that the ACL is improperly constructed, the only method to defend the storage of broken ACLs is to identify clients that are known to properly construct ACLs by introducing a new RXAFS_StoreACL opcode (164) (CVE-2018-7168).
Additionally the CellServDB has been updated to latest version and fixes for suppoorting kernel 5.14 and 5.15 series have been added.

References

- https://bugs.mageia.org/show_bug.cgi?id=29639

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7168

Resolution

MGASA-2021-0509 - Updated openafs packages fix security vulnerability

SRPMS

- 8/core/openafs-1.9.1-1.mga8

Severity
Publication date: 11 Nov 2021
URL: https://advisories.mageia.org/MGASA-2021-0509.html
Type: security
CVE: CVE-2018-7168

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