NextEPC MME up to 1.0.1 Emergency Number List stack-based overflow

Summaryinfo

A vulnerability was found in NextEPC MME up to 1.0.1. It has been rated as critical. The impacted element is an unknown function of the component Emergency Number List Handler. The manipulation leads to stack-based overflow. This vulnerability is traded as CVE-2023-36998. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in NextEPC MME up to 1.0.1. This issue affects an unknown function of the component Emergency Number List Handler. 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 confidentiality, integrity, and availability. The summary by CVE is:

The NextEPC MME <= 1.0.1 (fixed in commit a8492c9c5bc0a66c6999cb5a263545b32a4109df) contains a stack-based buffer overflow vulnerability in the Emergency Number List decoding method. An attacker may send a NAS message containing an oversized Emergency Number List value to the MME to overwrite the stack with arbitrary bytes. An attacker with a cellphone connection to any base station managed by the MME may exploit this vulnerability without having to authenticate with the LTE core.

The identification of this vulnerability is CVE-2023-36998 since 06/28/2023. The exploitation is known to be easy. Neither technical details nor an exploit are publicly available.

Applying the patch a8492c9c5bc0a66c6999cb5a263545b32a4109df is able to eliminate this problem.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• NextEPC

Name

• MME

Version

• 1.0.0
• 1.0.1

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Threat Intelligenceinfo

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Entryinfo

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