Ricoh MFP Request stack-based overflow

Summaryinfo

A vulnerability was found in Ricoh MFP and classified as critical. This affects an unknown function of the component Request Handler. Executing a manipulation can lead to stack-based overflow. The identification of this vulnerability is CVE-2024-47939. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as very critical was found in Ricoh MFP (the affected version is unknown). This vulnerability affects an unknown code of the component Request Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow vulnerability exists in multiple Ricoh laser printers and MFPs which implement Web Image Monitor. If this vulnerability is exploited, receiving a specially crafted request created and sent by an attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition. As for the details of affected product names and versions, refer to the information provided by the vendor under [References].

The advisory is shared for download at ricoh.com. This vulnerability was named CVE-2024-47939 since 10/07/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/25/2025).

The vulnerability scanner Nessus provides a plugin with the ID 210587 (Ricoh MFP and Printer Products Buffer Overflow (ricoh-2024-000011)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (210587). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Ricoh

Name

• MFP

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion