openbmc slpd-lite Service Port 427 buffer overflow

Summaryinfo

A vulnerability, which was classified as critical, was found in openbmc slpd-lite. This issue affects some unknown processing of the component Service Port 427. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2024-41660. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in openbmc slpd-lite (affected version not known). It has been declared as very critical. This vulnerability affects some unknown functionality of the component Service Port 427. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

slpd-lite is a unicast SLP UDP server. Any OpenBMC system that includes the slpd-lite package is impacted. Installing this package is the default when building OpenBMC. Nefarious users can send slp packets to the BMC using UDP port 427 to cause memory overflow issues within the slpd-lite daemon on the BMC. Patches will be available in the latest openbmc/slpd-lite repository.

The advisory is available at github.com. This vulnerability was named CVE-2024-41660 since 07/18/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful 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 08/01/2024).

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

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Productinfo

Vendor

• openbmc

Name

• slpd-lite

Website

• Product: https://github.com/openbmc/slpd-lite/

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