SB2020072219 - Multiple vulnerabilities in Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers
Published: July 22, 2020 Updated: July 22, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2020-3323)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the web-based management interface. A remote attacker can send a specially crafted HTTP request, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Improper Authorization (CVE-ID: CVE-2020-3150)
The vulnerability allows a remote attacker to bypass authorization process.
The vulnerability exists due to improper authorization of an HTTP request. A remote attacker can access a specific URI on the web-based management interface of the router, but only after any valid user has opened a specific file on the device since the last reboot, and view sensitive information on the target device.
3) Buffer overflow (CVE-ID: CVE-2020-3331)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the web-based management interface. A remote attacker can send a specially crafted request, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Use of hard-coded credentials (CVE-ID: CVE-2020-3330)
The vulnerability allows a remote attacker to gain full access to vulnerable system.
The vulnerability exists due to presence of hard-coded credentials in application code in the Telnet service. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-rce-AQKREqp
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-info-dis-FEWBWgsD
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-code-exec-wH3BNFb
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv110w-static-cred-BMTWBWTy