SonicWall SMA100 up to 10.2.1.13-72sv SSLVPN mod_httprp stack-based overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in SonicWall SMA100 up to 10.2.1.13-72sv. This vulnerability affects the function mod_httprp of the component SSLVPN. The manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2024-53703. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in SonicWall SMA100 up to 10.2.1.13-72sv and classified as critical. This issue affects the function mod_httprp of the component SSLVPN. 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:

A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library loaded by the Apache web server allows remote attackers to cause Stack-based buffer overflow and potentially lead to code execution.

It is possible to read the advisory at psirt.global.sonicwall.com. The identification of this vulnerability is CVE-2024-53703 since 11/22/2024. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 12/12/2024).

The vulnerability scanner Nessus provides a plugin with the ID 212670 (SonicWall Secure Mobile Access < 10.2.1.14-75sv (SNWLID-2024-0018)), 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 (212670). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• SonicWall

Name

• SMA100

Version

• 10.2.1.13-72sv

License

• commercial

Website

• Vendor: https://www.sonicwall.com/

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

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