BearshareOfficial BearShare Lite up to 5.2.5 Advanced Search search keywords buffer overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in BearshareOfficial BearShare Lite up to 5.2.5. This affects an unknown part of the component Advanced Search. Such manipulation of the argument search keywords leads to buffer overflow. This vulnerability is referenced as CVE-2020-37010. The attack can only be performed from a local environment. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in BearshareOfficial BearShare Lite up to 5.2.5 and classified as critical. Affected by this issue is an unknown functionality of the component Advanced Search. The manipulation of the argument search keywords 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. CVE summarizes:

BearShare Lite 5.2.5 contains a buffer overflow vulnerability in the Advanced Search keywords input that allows attackers to execute arbitrary code. Attackers can craft a specially designed payload to overwrite the EIP register and execute shellcode by pasting malicious content into the search keywords field.

The weakness was published by Christian Vierschilling as 48839. The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2020-37010 since 01/27/2026. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.

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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• BearshareOfficial

Name

• BearShare Lite

Version

• 5.2.0
• 5.2.1
• 5.2.2
• 5.2.3
• 5.2.4
• 5.2.5

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CPE 2.2info

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