LanSpy 2.0.1.159 Local Buffer Overflow Flaws Enable Potential Code Execution
Two high-severity vulnerabilities, CVE-2018-25265 and CVE-2018-25268, were documented for LanSpy 2.0.1.159, affecting the application's scan functionality and exposing users to local buffer overflow attacks. The flaws were classified as CWE-787 and can let an attacker trigger memory corruption by supplying oversized input in the scan section or scan field, causing application crashes and creating a path to arbitrary code execution.
The published details indicate that CVE-2018-25265 can be exploited through structured exception handling (SEH), including egghunter-based shellcode discovery and controlled jumps, while CVE-2018-25268 allows instruction pointer overwrite with a payload consisting of 688 bytes of padding followed by 4 bytes of attacker-controlled data. Both entries were assigned high-impact CVSS v3.1 and CVSS v4.0 severity metrics, and the records reference material from LizardSystems, Exploit-DB, and VulnCheck.
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How this story unfolded
2 events from the most recent confirmed update back to the earliest known activity.
Vulnerability metadata and references are published for both LanSpy flaws
The CVE records were published with CWE-787 classification, CVSS v3.1 and v4.0 severity vectors, and references to LizardSystems, Exploit-DB, and VulnCheck. The disclosures document technical exploitation details such as SEH abuse, egghunter-based shellcode discovery, and instruction-pointer overwrite via oversized input.
LanSpy local buffer overflow vulnerabilities receive CVE entries
Two local buffer overflow flaws affecting LanSpy 2.0.1.159, later tracked as CVE-2018-25265 and CVE-2018-25268, were received by disclosure@vulncheck.com. The entries describe memory corruption in the scan functionality that could allow crashes and possible arbitrary code execution.
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