Multiple vulnerabilities in FANUC Robot Controllers



Published: 2021-12-08
Risk High
Patch available NO
Number of vulnerabilities 2
CVE-ID CVE-2021-32996
CVE-2021-32998
CWE-ID CWE-192
CWE-787
Exploitation vector Network
Public exploit N/A
Vulnerable software
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R-30iA
Hardware solutions / Routers & switches, VoIP, GSM, etc

R-30iB
Hardware solutions / Routers & switches, VoIP, GSM, etc

R-30iB Mate
Hardware solutions / Routers & switches, VoIP, GSM, etc

R-30iB Compact
Hardware solutions / Routers & switches, VoIP, GSM, etc

R-30iB Plus
Hardware solutions / Routers & switches, VoIP, GSM, etc

R-30iB Mate Plus
Hardware solutions / Routers & switches, VoIP, GSM, etc

R-30iB Compact Plus
Hardware solutions / Routers & switches, VoIP, GSM, etc

R-30iB Mini Plus
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor FANUC

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer Coercion Error

EUVDB-ID: #VU58638

Risk: Medium

CVSSv3.1: 6.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-32996

CWE-ID: CWE-192 - Integer Coercion Error

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer coercion errors. A remote attacker can cause a denial of service condition on the target system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

R-30iA: 7.20 - 763

R-30iB: 8.10 - 8.36

R-30iB Mate: 8.10 - 8.36

R-30iB Compact: 8.10 - 8.36

R-30iB Plus: 9.10 - 9.40

R-30iB Mate Plus: 9.10 - 9.40

R-30iB Compact Plus: 9.10 - 9.40

R-30iB Mini Plus: 9.10 - 9.40


CPE2.3 External links

http://ics-cert.us-cert.gov/advisories/icsa-21-243-02

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.

2) Out-of-bounds write

EUVDB-ID: #VU58642

Risk: High

CVSSv3.1: 7.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-32998

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

R-30iA: 7.20 - 763

R-30iB: 8.10 - 8.36

R-30iB Mate: 8.10 - 8.36

R-30iB Compact: 8.10 - 8.36

R-30iB Plus: 9.10 - 9.40

R-30iB Mate Plus: 9.10 - 9.40

R-30iB Compact Plus: 9.10 - 9.40

R-30iB Mini Plus: 9.10 - 9.40


CPE2.3 External links

http://ics-cert.us-cert.gov/advisories/icsa-21-243-02

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.



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