Cisco RV042/RV042G/RV320/RV325 up to 4.2.3.14 Web-based Management Interface stack-based overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in Cisco RV042, RV042G, RV320 and RV325. The affected element is an unknown function of the component Web-based Management Interface. Such manipulation leads to stack-based overflow. This vulnerability is listed as CVE-2024-20524. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco RV042, RV042G, RV320 and RV325. It has been rated as critical. Affected by this issue is an unknown functionality of the component Web-based Management Interface. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is availability. CVE summarizes:

A vulnerability in the web-based management interface of Cisco Small Business RV042, RV042G, RV320, and RV325 Routers could allow an authenticated, Administrator-level, remote attacker to cause an unexpected reload of an affected device, resulting in a denial of service (DoS) condition. To exploit this vulnerability, an attacker would need to have valid Administrator credentials on the affected device.   This vulnerability is due to improper validation of user input that is in incoming HTTP packets. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface of the affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a DoS condition.

The advisory is available at sec.cloudapps.cisco.com. This vulnerability is handled as CVE-2024-20524 since 11/08/2023. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/05/2024).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• RV042
• RV042G
• RV320
• RV325

Version

• 1.0.1.17
• 1.0.2.03
• 1.1.0.09
• 1.1.1.06
• 1.1.1.19
• 1.2.1.13
• 1.2.1.14
• 1.3.1.10
• 1.3.1.12
• 1.3.2.02
• 1.3.12.6-tm
• 1.3.12.19-tm
• 1.3.13.02-tm
• 1.4.2.15
• 1.4.2.17
• 1.4.2.19
• 1.4.2.20
• 1.4.2.22
• 1.5.1.05
• 1.5.1.11
• 1.5.1.13
• 3.0.0.1-tm
• 3.0.0.19-tm
• 3.0.2.01-tm
• 4.0.0.7
• 4.0.2.08-tm
• 4.0.3.03-tm
• 4.0.4.02-tm
• 4.1.0.02-tm
• 4.1.1.01
• 4.2.1.02
• 4.2.2.08
• 4.2.3.03
• 4.2.3.06
• 4.2.3.07
• 4.2.3.08
• 4.2.3.09
• 4.2.3.10
• 4.2.3.14

License

• commercial

Website

• Vendor: https://www.cisco.com/

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