Multiple vulnerabilities in LenovoEMC NAS Web GUI



Risk Medium
Patch available YES
Number of vulnerabilities 9
CVE-ID CVE-2018-9074
CVE-2018-9082
CVE-2018-9080
CVE-2018-9081
CVE-2018-9079
CVE-2018-9078
CVE-2018-9077
CVE-2018-9076
CVE-2018-9075
CWE-ID CWE-22
CWE-620
CWE-613
CWE-79
CWE-434
CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
 LenovoEMC NAS Firmware
Hardware solutions / Firmware

Vendor Lenovo

Security Bulletin

This security bulletin contains information about 9 vulnerabilities.

1) Path traversal

EUVDB-ID: #VU15051

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-9074

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within Content Explorer application. A remote authenticated attacker can send a specially crafted HTTP request and upload arbitrary file to the system as a root user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LenovoEMC NAS Firmware: 4.1.402.34662

CPE2.3 External links

https://support.lenovo.com/us/en/solutions/LEN-24224


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.

2) Unverified Password Change

EUVDB-ID: #VU15059

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-9082

CWE-ID: CWE-620 - Unverified Password Change

Exploit availability: No

Description

The vulnerability allows a remote attacker to change victim's password.

The vulnerability exists due to the web application does not provide verification of an old password before allowing to change it to a new one. A remote attacker with knowledge of vimctim's session token can change the user's password.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LenovoEMC NAS Firmware: 4.1.402.34662

CPE2.3 External links

https://support.lenovo.com/us/en/solutions/LEN-24224


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) Insufficient Session Expiration

EUVDB-ID: #VU15058

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-9080

CWE-ID: CWE-613 - Insufficient Session Expiration

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise victim's account.

The vulnerability exists due to application sets the lomega cookie to a known value before logging into the NAS's web application. A remote attacker with knowledge of the cookie can compromise victim's session.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LenovoEMC NAS Firmware: 4.1.402.34662

CPE2.3 External links

https://support.lenovo.com/us/en/solutions/LEN-24224


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) self-XSS

EUVDB-ID: #VU15057

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-9081

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 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 updates from vendor's website.

Vulnerable software versions

LenovoEMC NAS Firmware: 4.1.402.34662

CPE2.3 External links

https://support.lenovo.com/us/en/solutions/LEN-24224


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.

5) Cross-site scripting

EUVDB-ID: #VU15056

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-9079

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 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 updates from vendor's website.

Vulnerable software versions

LenovoEMC NAS Firmware: 4.1.402.34662

CPE2.3 External links

https://support.lenovo.com/us/en/solutions/LEN-24224


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.

6) Unrestricted upload of file with dangerous type

EUVDB-ID: #VU15055

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-9078

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote attacker to upload dangerous files.

The vulnerability exists due to the web interface allows uploading of SVG files. A remote authenticated attacker can upload a malicious SVG file, trick the victim into opening it in the browser and execute arbitrary JavaScript code in the context of vulnerable application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LenovoEMC NAS Firmware: 4.1.402.34662

CPE2.3 External links

https://support.lenovo.com/us/en/solutions/LEN-24224


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.

7) OS Command Injection

EUVDB-ID: #VU15054

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-9077

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to insufficient sanitization of user-supplied data within the "share:name" parameter. A remote authenticated attacker can inject and execute arbitrary OS commands with root privileges on the affected device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LenovoEMC NAS Firmware: 4.1.402.34662

CPE2.3 External links

https://support.lenovo.com/us/en/solutions/LEN-24224


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.

8) OS Command Injection

EUVDB-ID: #VU15053

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-9076

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to insufficient sanitization of user-supplied data within the "name" parameter. A remote authenticated attacker can inject and execute arbitrary OS commands with root privileges on the affected device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LenovoEMC NAS Firmware: 4.1.402.34662

CPE2.3 External links

https://support.lenovo.com/us/en/solutions/LEN-24224


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.

9) OS Command Injection

EUVDB-ID: #VU15052

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-9075

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to insufficient sanitization of user-supplied data within the client:password parameter. A remote authenticated attacker can inject and execute arbitrary OS commands with root privileges on the affected device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LenovoEMC NAS Firmware: 4.1.402.34662

CPE2.3 External links

https://support.lenovo.com/us/en/solutions/LEN-24224


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.



###SIDEBAR###