Multiple vulnerabilities in VMware vCenter Server and Tools
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2015-5191 CVE-2017-4922 CVE-2017-4923 CVE-2017-4921 |
| CWE-ID | CWE-362 CWE-200 CWE-426 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
VMware Tools Client/Desktop applications / Other client software vCenter Server Server applications / Virtualization software |
| Vendor | VMware, Inc |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Race condition
EUVDB-ID: #VU7639
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2015-5191
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to gain elevated privileges.
The vulnerability exists due to a race condition in the libDeployPkg component. A local attacker can use the hard-coded paths under /tm, trigger race condition and gain root privileges on the system.
MitigationUpdate to version 10.0.9.
VMware Tools: 9.0.0 - 10.0.8
External linkshttp://www.vmware.com/security/advisories/VMSA-2017-0013.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Information disclosure
EUVDB-ID: #VU7640
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-4922
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists due to improper storing of sensitive information by the service startup script. A remote attacker can trigger the service startup script restart and access important data that may be used to conduct further attack.
Successful exploitation of the vulnerability results in information disclosure.
Update to version 6.5 U1.
vCenter Server: 6.5.0
External linkshttp://www.vmware.com/security/advisories/VMSA-2017-0013.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Information disclosure
EUVDB-ID: #VU7641
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-4923
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists due to improper security restrictions that are set on the vCenter Server Appliance file-based backup feature. A remote attacker can use the file-based backup feature to access important data, such as plaintext credentials, that may be used to conduct further attack.
Successful exploitation of the vulnerability results in information disclosure.
MitigationUpdate to version 6.5 U1.
vCenter Server: 6.5.0
External linkshttp://www.vmware.com/security/advisories/VMSA-2017-0013.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Insecure DLL library loading
EUVDB-ID: #VU7643
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-4921
CWE-ID:
CWE-426 - Untrusted Search Path
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain elevated privileges.
The vulnerability exists due to insecure library loading flaw in the LD_LIBRARY_PATH variable. A remote attacker can trick the victim into execution of wrapper scripts from a world writable directory and gain elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Mitigation
Update to version 6.5 U1.
vCenter Server: 6.5.0
External linkshttp://www.vmware.com/security/advisories/VMSA-2017-0013.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
