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Samba 4.18.1 und 4.17.1 Bugfix und Security Update

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Die Entwickler des beliebten Open-Source Dateiserver und Domaincontroller für Linux, haben das Update 4.18.1 und 4.17.1 veröffentlicht. Das Samba Update behebt Fehler und bringt neue Features.

Samba 4.18.1 Release Notes

Security

    • CVE-2023-0225: An incomplete access check on dnsHostName allows authenticated but otherwise unprivileged users to delete this attribute from any object in the directory. https://www.samba.org/samba/security/CVE-2023-0225.html
    • CVE-2023-0922: The Samba AD DC administration tool, when operating against a remote LDAP server, will by default send new or reset passwords over a signed-only connection. https://www.samba.org/samba/security/CVE-2023-0922.html
    • CVE-2023-0614: The fix in 4.6.16, 4.7.9, 4.8.4 and 4.9.7 for CVE-2018-10919 Confidential attribute disclosure via LDAP filters was insufficient and an attacker may be able to obtain confidential BitLocker recovery keys from a Samba AD DC. Installations with such secrets in their Samba AD should assume they have been obtained and need replacing. https://www.samba.org/samba/security/CVE-2023-0614.html

    Bugfix

    Samba 4.17.7 Release Notes

    Security

    • CVE-2023-0225: An incomplete access check on dnsHostName allows authenticated
      but otherwise unprivileged users to delete this attribute from any object in the directory.
      https://www.samba.org/samba/security/CVE-2023-0225.html
    • CVE-2023-0922: The Samba AD DC administration tool, when operating against a remote LDAP server, will by default send new or reset passwords over a signed-only connection. https://www.samba.org/samba/security/CVE-2023-0922.html
    • CVE-2023-0614: The fix in 4.6.16, 4.7.9, 4.8.4 and 4.9.7 for CVE-2018-10919 Confidential attribute disclosure via LDAP filters was insufficient and an attacker may be able to obtain confidential BitLocker recovery keys from a Samba AD DC. Installations with such secrets in their Samba AD should assume they have been obtained and need replacing. https://www.samba.org/samba/security/CVE-2023-0614.html

    Bugfix

    • Douglas Bagnall douglas.bagnall@catalyst.net.nz BUG 15276: CVE-2023-0225.
    • Andrew Bartlett abartlet@samba.org BUG 15270: CVE-2023-0614. BUG 15331: ldb wildcard matching makes excessive allocations. BUG 15332: large_ldap test is inefficient.
    • Rob van der Linde rob@catalyst.net.nz BUG 15315: CVE-2023-0922.
    • Joseph Sutton josephsutton@catalyst.net.nz
    • BUG 14810: CVE-2020-25720 [SECURITY] Create Child permission should not allow full write to all attributes (additional changes). BUG 15270: CVE-2023-0614. BUG 15276: CVE-2023-0225.

    Quelle: SambaWiki

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