ZTE Router HTTPD Binary check_data_integrity stack-based overflow

Summaryinfo

A vulnerability classified as critical has been found in ZTE Router. The affected element is the function check_data_integrity of the component HTTPD Binary. This manipulation causes stack-based overflow. This vulnerability is handled as CVE-2024-45415. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in ZTE Router (version now known) and classified as very critical. Affected by this vulnerability is the function check_data_integrity of the component HTTPD Binary. 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. The summary by CVE is:

The HTTPD binary in multiple ZTE routers has a stack-based buffer overflow vulnerability in check_data_integrity function. This function is responsible for validating the checksum of data in post request. The checksum is sent encrypted in the request, the function decrypts it and stores the checksum on the stack without validating it. An unauthenticated attacker can get RCE as root by exploiting this vulnerability.

It is possible to read the advisory at wr3nchsr.github.io. This vulnerability is known as CVE-2024-45415 since 08/28/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/20/2024).

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• ZTE

Name

• Router

License

• commercial

Website

• Vendor: https://www.zte.com.cn/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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