Backdoor.Win32.Levelone.b HTTP OPTIONS Vector64.exe buffer overflow

Summaryinfo

A vulnerability was found in Backdoor.Win32.Levelone.b. It has been rated as critical. Affected by this issue is some unknown functionality of the file Vector64.exe of the component HTTP OPTIONS Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Backdoor.Win32.Levelone.b (Remote Access Software) (version unknown) and classified as critical. This issue affects an unknown function of the file Vector64.exe of the component HTTP OPTIONS Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was released 01/11/2021 as MVID-2021-0021. It is possible to read the advisory at malvuln.com. Technical details as well as a public exploit are known.

The exploit is available at malvuln.com. It is declared as proof-of-concept.

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

Type

• Remote Access Software

Name

• Backdoor.Win32.Levelone.b

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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CVSSv2info

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Threat Intelligenceinfo

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Submitinfo

Accepted

• Submit #5484: BACKDOOR.WIN32.LEVELONE.B / Remote Stack Buffer Overflow (by malvuln)

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

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