Linksys WRT54GL up to 4.30.18.006 httpd /apply.cgi Check_TSSI os command injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Linksys WRT54GL up to 4.30.18.006. The impacted element is the function Check_TSSI of the file /apply.cgi of the component httpd. Such manipulation leads to os command injection. This vulnerability is referenced as CVE-2022-43973. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linksys WRT54GL up to 4.30.18.006 (Router Operating System). Affected by this issue is the function Check_TSSI of the file /apply.cgi of the component httpd. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. The Check_TSSI function within the httpd binary uses unvalidated user input in the construction of a system command. An authenticated attacker with administrator privileges can leverage this vulnerability over the network via a malicious POST request to /apply.cgi to execute arbitrary commands on the underlying Linux operating system as root.

The weakness was published 01/10/2023. The advisory is available at youtu.be. This vulnerability is handled as CVE-2022-43973 since 10/28/2022. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/10/2023). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Router Operating System

Vendor

• Linksys

Name

• WRT54GL

Version

• 4.30.18.006

License

• commercial

Website

• Vendor: https://www.linksys.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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