GL.iNet B1300 up to 4.3.7/4.4.6/4.5.0 crontab File unrestricted upload

Summaryinfo

A vulnerability marked as problematic has been reported in GL.iNet A1300, AX1800, AXT1800, MT3000, MT2500, MT6000, MT1300, MT300N-V2, AR750S, AR750, AR300M and B1300 up to 4.3.7/4.4.6/4.5.0. Affected by this issue is some unknown functionality of the component crontab File Handler. This manipulation causes unrestricted upload. This vulnerability is tracked as CVE-2023-50922. No exploit exists.

Detailsinfo

A vulnerability has been found in GL.iNet A1300, AX1800, AXT1800, MT3000, MT2500, MT6000, MT1300, MT300N-V2, AR750S, AR750, AR300M and B1300 up to 4.3.7/4.4.6/4.5.0 and classified as problematic. Affected by this vulnerability is an unknown code of the component crontab File Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on GL.iNet devices through 4.5.0. Attackers who are able to steal the AdminToken cookie can execute arbitrary code by uploading a crontab-formatted file to a specific directory and waiting for its execution. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7.

The weakness was disclosed 01/03/2024. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-50922 since 12/15/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• GL.iNet

Name

• A1300
• AR300M
• AR750
• AR750S
• AX1800
• AXT1800
• B1300
• MT300N-V2
• MT1300
• MT2500
• MT3000
• MT6000

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 4.3.4
• 4.3.5
• 4.3.6
• 4.3.7
• 4.4
• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.4.5
• 4.4.6
• 4.5.0

CPE 2.3info

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CPE 2.2info

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