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Description

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.

PUBLISHED Reserved 2026-01-27 | Published 2026-01-29 | Updated 2026-01-29 | Assigner VulnCheck




NONE: 0.0CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Product status

5.1.0 (semver)
affected

Credits

Christian Vierschilling finder

References

www.exploit-db.com/exploits/48839 exploit

www.exploit-db.com/exploits/48839 (ExploitDB-48839) exploit

www.bearshareofficial.com/ (Official BearShare Homepage) product

www.oldversion.com.de/windows/bearshare-lite-5-2-5 (BearShare Lite 5.2.5 Download Page) product

www.vulncheck.com/...e-advanced-searchbuffer-overflow-in-poc (VulnCheck Advisory: BearShare Lite 5.2.5 - 'Advanced Search'Buffer Overflow in (PoC)) third-party-advisory

cve.org (CVE-2020-37010)

nvd.nist.gov (CVE-2020-37010)

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