Multiple vulnerabilities in VmWare products



Published: 2017-09-15
Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2017-4924
CVE-2017-4925
CVE-2017-4926
CWE-ID CWE-787
CWE-476
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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VMware ESXi
Operating systems & Components / Operating system

VMware Workstation
Client/Desktop applications / Virtualization software

VMware Fusion
Client/Desktop applications / Virtualization software

vCenter Server
Server applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU8443

Risk: Low

CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-4924

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows an adjacent attacker to execute arbitrary code.

The weakness exists due to out-of-bounds write in SVGA driver. An adjacent attacker can send specially crafted content and execute arbitrary code on the host system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

VMware ESXi: 6.5

VMware Workstation: 12.5 - 12.5.6

VMware Fusion: 8.5 - 8.5.7

External links

http://www.vmware.com/security/advisories/VMSA-2017-0015.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Null pointer dereference

EUVDB-ID: #VU8444

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-4925

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows an adjacent attacker to cause DoS condition on the host system.

The weakness exists due to NULL pointer dereference when handling malicious content. An adjacent attacker can send specially crafted RPC requests and cause the applications to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation

Install update from vendor's website.

Vulnerable software versions

VMware ESXi: 5.5 - 6.5

VMware Workstation: 12.5 - 12.5.2

VMware Fusion: 8.5 - 8.5.3

External links

http://www.vmware.com/security/advisories/VMSA-2017-0015.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Cross-site scripting

EUVDB-ID: #VU8445

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-4926

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote authenticated attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks

Mitigation

Install update from vendor's website.

Vulnerable software versions

vCenter Server: 6.5.0

External links

http://www.vmware.com/security/advisories/VMSA-2017-0015.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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