MGASA-2016-0094

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    MGASA-2016-0094

    Published: 3 Mar 2016Last Modified: 16 Apr 2026

    Summary: Updated samba packages fix security vulnerabilities

    Details: Updated ldb and samba packages fix security vulnerabilities: A malicious client can send packets that cause the LDAP server in the samba daemon process to become unresponsive, preventing the server from servicing any other requests (CVE-2015-3223). Versions of Samba from 3.0.0 to 4.3.2 inclusive are vulnerable to a bug in symlink verification, which under certain circumstances could allow client access to files outside the exported share path (CVE-2015-5252). Versions of Samba from 3.2.0 to 4.3.2 inclusive do not ensure that signing is negotiated when creating an encrypted client connection to a server. Without this, a man-in-the-middle attack could downgrade the connection and connect using the supplied credentials as an unsigned, unencrypted connection (CVE-2015-5296). Versions of Samba from 3.2.0 to 4.3.2 inclusive are vulnerable to a missing access control check in the vfs_shadow_copy2 module, which could allow unauthorized users to access snapshots (CVE-2015-5299). A malicious client can send packets that cause the LDAP server in the samba daemon process to return heap memory beyond the length of the requested value. This memory may contain data that the client should not be allowed to see, allowing compromise of the server (CVE-2015-5330). The talloc, tdb, tevent, and ldb packages have been updated to their lastest versions, and the samba package has been patched to fix these issues.

    References: https://advisories.mageia.org/MGASA-2016-0094.html, https://bugs.mageia.org/show_bug.cgi?id=17356, https://www.samba.org/samba/security/CVE-2015-3223.html, https://www.samba.org/samba/security/CVE-2015-5252.html, https://www.samba.org/samba/security/CVE-2015-5296.html, https://www.samba.org/samba/security/CVE-2015-5299.html, https://www.samba.org/samba/security/CVE-2015-5330.html, http://lists.opensuse.org/opensuse-updates/2015-12/msg00107.html, http://www.ubuntu.com/usn/usn-2855-2/

    Affected packages

    Package

    Name: talloc

    Purl: pkg:rpm/mageia/talloc?arch=source&distro=mageia-5

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1.5-1.mga5

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High