Multiple vulnerabilities in Cisco Small Business RV320 and RV325 Routers

1) Information disclosure

EUVDB-ID: #VU17194

Risk: Low

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2019-1653

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to improper access controls for URLs. A remote attacker can connect to an affected device via HTTP or HTTPS and requesting specific URLs  to download the router configuration or detailed diagnostic information.

Mitigation

Update the affected firmware to version 1.4.2.19.

Vulnerable software versions

Small Business RV325 Dual Gigabit WAN VPN Router: 1.4.2.15 - 1.4.2.17

Small Business RV320 Dual Gigabit WAN VPN Router: 1.4.2.15 - 1.4.2.17

CPE2.3

• cpe:2.3:h:cisco_systems:small_business_rv325_dual_gigabit_wan_vpn_router:1.4.2.15:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:small_business_rv325_dual_gigabit_wan_vpn_router:1.4.2.17:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:small_business_rv320_dual_gigabit_wan_vpn_router:1.4.2.15:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:small_business_rv320_dual_gigabit_wan_vpn_router:1.4.2.17:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-rv-info

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?

Yes. This vulnerability is being exploited in the wild.

2) Command injection

EUVDB-ID: #VU17195

Risk: Low

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2019-1652

CWE-ID: CWE-77 - Command injection

Exploit availability: Yes

Description

The vulnerability allows a remote authenticated attacker to execute arbitrary commands.

The vulnerability exists due to improper validation of user-supplied input. A remote attacker can send malicious HTTP POST requests to the web-based management interface and execute arbitrary commands on the underlying Linux shell as root.

Mitigation

Update the affected firmware to version 1.4.2.20.

Vulnerable software versions

Small Business RV325 Dual Gigabit WAN VPN Router: 1.4.2.15 - 1.4.2.19

Small Business RV320 Dual Gigabit WAN VPN Router: 1.4.2.15 - 1.4.2.19

CPE2.3

• cpe:2.3:h:cisco_systems:small_business_rv325_dual_gigabit_wan_vpn_router:1.4.2.15:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:small_business_rv325_dual_gigabit_wan_vpn_router:1.4.2.16:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:small_business_rv325_dual_gigabit_wan_vpn_router:1.4.2.17:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:small_business_rv320_dual_gigabit_wan_vpn_router:1.4.2.15:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:small_business_rv320_dual_gigabit_wan_vpn_router:1.4.2.16:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:small_business_rv320_dual_gigabit_wan_vpn_router:1.4.2.17:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-rv-inject

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user 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?

Yes. This vulnerability is being exploited in the wild.