The version of Oracle VM VirtualBox installed on the remote host is 5.0.x prior to 5.0.34 or 5.1.x prior to 5.1.16. It is, therefore, affected by an information disclosure vulnerability within the shared folder implementation, specifically in the vbsfPathCheckRootEscape() function, that permits cooperating guests that have write access to the same shared folder to gain access to the file system of the Linux host. An authenticated attacker within a guest VM can exploit this to read arbitrary files on the host. However, exploitation requires that the shared folder is not more than nine levels away from the file system root.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

This update for virtualbox to version 5.1.22 fixes the following issues :

These security issues were fixed (bsc#1034854) :

  - CVE-2017-3561: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows low privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in takeover of Oracle VM VirtualBox.

  - CVE-2017-3563: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows low privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in takeover of Oracle VM VirtualBox.

  - CVE-2017-3576: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows low privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in takeover of Oracle VM VirtualBox.

  - CVE-2017-3587: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Shared     Folder). Easily exploitable vulnerability allows low     privileged attacker with logon to the infrastructure     where Oracle VM VirtualBox executes to compromise Oracle     VM VirtualBox. Successful attacks of this vulnerability     can result in unauthorized creation, deletion or     modification access to critical data or all Oracle VM     VirtualBox accessible data and unauthorized ability to     cause a hang or frequently repeatable crash (complete     DOS) of Oracle VM VirtualBox.

  - CVE-2017-3575: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows high privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in unauthorized creation, deletion or     modification access to critical data or all Oracle VM     VirtualBox accessible data and unauthorized ability to     cause a hang or frequently repeatable crash (complete     DOS) of Oracle VM VirtualBox.

  - CVE-2017-3538: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Shared     Folder). Difficult to exploit vulnerability allows low     privileged attacker with logon to the infrastructure     where Oracle VM VirtualBox executes to compromise Oracle     VM VirtualBox. Successful attacks of this vulnerability     can result in unauthorized creation, deletion or     modification access to critical data or all Oracle VM     VirtualBox accessible data as well as unauthorized     access to critical data or complete access to all Oracle     VM VirtualBox accessible data.

  - CVE-2017-3513: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Difficult to exploit vulnerability allows high     privileged attacker with logon to the infrastructure     where Oracle VM VirtualBox executes to compromise Oracle     VM VirtualBox. Successful attacks of this vulnerability     can result in unauthorized read access to a subset of     Oracle VM VirtualBox accessible data.

  - CVE-2017-3558: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows unauthenticated     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in unauthorized ability to cause a hang or     frequently repeatable crash (complete DOS) of Oracle VM     VirtualBox as well as unauthorized update, insert or     delete access to some of Oracle VM VirtualBox accessible     data and unauthorized read access to a subset of Oracle     VM VirtualBox accessible data.

  - CVE-2017-3559: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows low privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in unauthorized ability to cause a hang or     frequently repeatable crash (complete DOS) of Oracle VM     VirtualBox as well as unauthorized update, insert or     delete access to some of Oracle VM VirtualBox accessible     data and unauthorized read access to a subset of Oracle     VM VirtualBox accessible data. These non-security issues     were fixed :

  - GUI: don't check if the Extension Pack is up-to-date if     the user is about to install a new Extension Pack 

  - GUI: fixed a possible crash when switching a     multi-monitor VM into full-screen or seamless mode

  - GUI: several mini-toolbar fixes in full-screen /     seamless mode 

  - GUI: don't crash on restoring defaults in the appliance     import dialog

  - ICH9: fix for Windows guests with a huge amount (more     than 64G) of guest memory

  - BIOS: fixed El Torito hard disk emulation geometry     calculation 

  - VMM: fixed VERR_IEM_INSTR_NOT_IMPLEMENTED Guru     Meditation under certain conditions

  - Storage: fixed a potential hang under rare circumstances

  - Storage: fixed a potential crash under rare     circumstances (asynchronous I/O disabled or during     maintenance file operations like merging snapshots)

  - Linux hosts: make the ALSA backend work again as well as     loading the GL libraries on certain hosts

  - Linux Additions: fixed mount.vboxsf symlink problem

This update to virtualbox 5.0.40 fixes the following issues :

These security issues were fixed (bsc#1034854) :

  - CVE-2017-3513: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Difficult to exploit vulnerability allows high     privileged attacker with logon to the infrastructure     where Oracle VM VirtualBox executes to compromise Oracle     VM VirtualBox. Successful attacks of this vulnerability     can result in unauthorized read access to a subset of     Oracle VM VirtualBox accessible data.

  - CVE-2017-3538: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Shared     Folder). Difficult to exploit vulnerability allows low     privileged attacker with logon to the infrastructure     where Oracle VM VirtualBox executes to compromise Oracle     VM VirtualBox. Successful attacks of this vulnerability     can result in unauthorized creation, deletion or     modification access to critical data or all Oracle VM     VirtualBox accessible data as well as unauthorized     access to critical data or complete access to all Oracle     VM VirtualBox accessible data.

  - CVE-2017-3558: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows unauthenticated     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in unauthorized ability to cause a hang or     frequently repeatable crash (complete DOS) of Oracle VM     VirtualBox as well as unauthorized update, insert or     delete access to some of Oracle VM VirtualBox accessible     data and unauthorized read access to a subset of Oracle     VM VirtualBox accessible data.

  - CVE-2017-3559: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows low privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in unauthorized ability to cause a hang or     frequently repeatable crash (complete DOS) of Oracle VM     VirtualBox as well as unauthorized update, insert or     delete access to some of Oracle VM VirtualBox accessible     data and unauthorized read access to a subset of Oracle     VM VirtualBox accessible data.

  - CVE-2017-3561: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows low privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in takeover of Oracle VM VirtualBox.

  - CVE-2017-3563: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows low privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in takeover of Oracle VM VirtualBox.

  - CVE-2017-3575: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows high privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in unauthorized creation, deletion or     modification access to critical data or all Oracle VM     VirtualBox accessible data and unauthorized ability to     cause a hang or frequently repeatable crash (complete     DOS) of Oracle VM VirtualBox.

  - CVE-2017-3576: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Core).
    Easily exploitable vulnerability allows low privileged     attacker with logon to the infrastructure where Oracle     VM VirtualBox executes to compromise Oracle VM     VirtualBox. Successful attacks of this vulnerability can     result in takeover of Oracle VM VirtualBox.

  - CVE-2017-3587: Vulnerability in the Oracle VM VirtualBox     component of Oracle Virtualization (subcomponent: Shared     Folder). Easily exploitable vulnerability allows low     privileged attacker with logon to the infrastructure     where Oracle VM VirtualBox executes to compromise Oracle     VM VirtualBox. Successful attacks of this vulnerability     can result in unauthorized creation, deletion or     modification access to critical data or all Oracle VM     VirtualBox accessible data and unauthorized ability to     cause a hang or frequently repeatable crash (complete     DOS) of Oracle VM VirtualBox. These non-security issues     were fixed :

  - Storage: fixed a potential hang under rare circumstances

  - Storage: fixed a potential crash under rare     circumstances (asynchronous I/O disabled or during     maintenance file operations like merging snapshots)

  - Storage: fixed a potential crash under rare     circumstances (no asynchronous I/O or during maintenance     file operations like merging snapshots)

  - Linux hosts: make the ALSA backend work again as well as     Loading the GL libraries on certain hosts

  - GUI: don't crash on restoring defaults in the appliance     import dialog

ID	Name	Product	Family	Published	Updated	Severity
99200	Oracle VM VirtualBox 5.0.x < 5.0.34 / 5.1.x < 5.1.16 Shared Folder Implementation Information Disclosure	Nessus	Misc.	4/5/2017	12/26/2025	high
99956	openSUSE Security Update : virtualbox (openSUSE-2017-533)	Nessus	SuSE Local Security Checks	5/3/2017	12/22/2025	high
99957	openSUSE Security Update : virtualbox (openSUSE-2017-534)	Nessus	SuSE Local Security Checks	5/3/2017	12/22/2025	high

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