Vulnerability identifier: #VU1354
Vulnerability risk: Critical
CVSSv3.1: 8.9 [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]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Ichitaro
Client/Desktop applications /
Office applications
Vendor: JustSystems Corporation
Description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in JSGCI.DLL library when processing malicious documents. A remote attacker can create a specially crafted document file, trick the victim into opening it, cause stack-based buffer overflow and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.
Mitigation
Install patches from vendor's website.
Vulnerable software versions
Ichitaro: 2004 - 2007
External links
http://www.justsystems.com/jp/info/pd7005.html
http://www.symantec.com/security_response/writeup.jsp?docid=2007-121308-3953-99
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.