Zero-day vulnerability in Ichitaro

Memory corruption
CVE-2009-1054

Known malware:

Trojan.Tarodrop.H

Vulnerability details

Advisory: SB2009031601 - Remote code execution in JustSystems Ichitaro

Vulnerable component: Ichitaro

CVE-ID: CVE-2009-1054

CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Description:

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error when parsing a malformed file. A remote attacker can create a specially crafted file or document using Web PURAGUINBYUA, trick the victim into opening it, trigger memory corruption, run a malicious program and execute arbitrary code on the system with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

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