Zero-day vulnerability in Ichitaro

Memory corruption
CVE-2009-4737

Vulnerability details

Advisory: SB2009030402 - Remote code execution in JustSystems Ichitaro

Vulnerable component: Ichitaro

CVE-ID: CVE-2009-4737

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 handling malformed files. A remote attacker can create a specially crafted RTF file, trick the victim into opening it, trigger memory corruption 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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