#VU58642 Out-of-bounds write


Published: 2021-12-08

Vulnerability identifier: #VU58642

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
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

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


CPE

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.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability