Show vulnerabilities with patch / with exploit

Multiple vulnerabilities in Aterm WF1200CR, Aterm WG1200CR, and Aterm WG2600HS



Published: 2020-02-19
Severity Low
Patch available YES
Number of vulnerabilities 4
CVE ID CVE-2020-5525
CVE-2020-5524
CVE-2020-5534
CVE-2020-5533
CWE ID CWE-78
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
Aterm WF1200CR
Hardware solutions / Routers & switches, VoIP, GSM, etc

Aterm WG1200CR
Hardware solutions / Routers & switches, VoIP, GSM, etc

Aterm WG2600HS
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor NEC Corporation

Security Advisory

1) OS Command Injection

Severity: Low

CVSSv3: 5.9 [CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-5525

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 user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote user on the local network who can access the management screen of the device may execute an arbitrary OS command with root privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Aterm WF1200CR: -, 1.2.1

Aterm WG1200CR: -, 1.2.1

Aterm WG2600HS: -, 1.3.2

CPE External links

https://jvn.jp/en/jp/JVN25766797/index.html
https://jpn.nec.com/security-info/secinfo/nv20-005.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) OS Command Injection

Severity: Low

CVSSv3: 7.7 [CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-5524

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 improper input validation. A remote attacker on the local network who can access the UPnP function interface of the device may execute an arbitrary OS command with root privileges

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Aterm WF1200CR: -, 1.2.1

Aterm WG1200CR: -, 1.2.1

Aterm WG2600HS: -, 1.3.2

CPE External links

https://jvn.jp/en/jp/JVN25766797/index.html
https://jpn.nec.com/security-info/secinfo/nv20-005.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).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

3) OS Command Injection

Severity: Low

CVSSv3: 7 [CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-5534

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 improper input validation. A remote user on the local network who can login to the HTTP service of the device may execute an arbitrary OS command with root privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Aterm WG2600HS: -, 1.3.2

CPE External links

https://jvn.jp/en/jp/JVN49410695/index.html
https://jpn.nec.com/security-info/secinfo/nv20-003.html

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

4) Cross-site scripting

Severity: Low

CVSSv3: 5.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-5533

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

Aterm WG2600HS: -, 1.3.2

CPE External links

https://jvn.jp/en/jp/JVN49410695/index.html
https://jpn.nec.com/security-info/secinfo/nv20-003.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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