LizardSystems LanSend 3.2 Add Computers Wizard buffer overflow

Summaryinfo

A vulnerability classified as critical has been found in LizardSystems LanSend 3.2. Affected is an unknown function of the component Add Computers Wizard. The manipulation leads to buffer overflow. This vulnerability is traded as CVE-2020-37075. An attack has to be approached locally. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in LizardSystems LanSend 3.2. This issue affects some unknown processing of the component Add Computers Wizard. 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 summary by CVE is:

LanSend 3.2 contains a buffer overflow vulnerability in the Add Computers Wizard file import functionality that allows remote attackers to execute arbitrary code. Attackers can craft a malicious payload file to trigger a structured exception handler (SEH) overwrite and execute shellcode when importing computers from a file.

The weakness was shared by gurbanli as 48461. The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2020-37075 since 02/01/2026. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.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.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48461). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• LizardSystems

Name

• LanSend

Version

• 3.2

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion