CVE-2022-44755criticalCWE-787

CVE-2022-44755: critical vulnerability in HCL Software Notes

HCL Notes is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView

Published · Updated

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 0.8%
In short

HCL Notes has a buffer overflow flaw in a file processing library that can be triggered by opening a specially crafted document. An attacker can use this to crash the application or run malicious code without needing to log in.

Technical detail

Stack-based buffer overflow in lasr.dll (Micro Focus KeyView) within HCL Notes allows remote unauthenticated attackers to achieve arbitrary code execution or denial of service by crafting malicious Lotus Ami Pro files. The vulnerability is triggered during file parsing without requiring authentication or user interaction beyond opening the file.

Summary generated and translated by AI from the official description.
HCL Notes is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView. This could allow a remote unauthenticated attacker to crash the application or execute arbitrary code via a crafted Lotus Ami Pro file. This is different from the vulnerability described in CVE-2022-44751.  This vulnerability applies to software previously licensed by IBM.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
HCL Software · Notes