Vulnerability identifier: #VU1316
Vulnerability risk: Critical
CVSSv4.0: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]
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 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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Ichitaro: 2008
External links
https://www.justsystems.com/jp/info/pd8002.html
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.