LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623 Realtek rtl819x Jungle SDK set_RadvdInterfaceParam stack-based overflow

Summaryinfo

A vulnerability marked as critical has been reported in LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623. This impacts the function set_RadvdInterfaceParam of the component Realtek rtl819x Jungle SDK. Performing a manipulation results in stack-based overflow. This vulnerability is reported as CVE-2023-50239. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623. This affects the function set_RadvdInterfaceParam of the component Realtek rtl819x Jungle SDK. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Two stack-based buffer overflow vulnerabilities exist in the boa set_RadvdInterfaceParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger these vulnerabilities.This stack-based buffer overflow is related to the `interfacename` request's parameter.

The advisory is shared at talosintelligence.com. This vulnerability is uniquely identified as CVE-2023-50239 since 12/05/2023. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are required for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/12/2024).

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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Vendor

• LevelOne

Name

• WBR-6013

Version

• RER4_A_v3411b_2T2R_LEV_09_170623

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