Zero-day vulnerability in Ichitaro

Memory corruption
CVE-2008-3919

Known malware:

TROJ_TARODROP.AM

Vulnerability details

Advisory: SB2008082601 - Remote code execution in JustSystems Ichitaro

Vulnerable component: Ichitaro

CVE-ID: CVE-2008-3919

CVSSv3 score: CVSS:3.1/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 - Memory corruption

Description:

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

The weakness exists due to buffer overflow when processing a malformed file. A remote attacker can create a specially crafted JTD document, trick the victim into loading it, trigger memory corruption and execute arbitrary code or cause denial of service on the target 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.


External links:

http://www.justsystems.com/jp/info/pd8002.html
http://www.trendmicro.com/vinfo/us/threat-encyclopedia/archive/malware/troj_tarodrop.am

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.