NJStar .njx font name buffer overflow
| njstar-font-name-bo (24773) |  High Risk |
Description:
NJStar Chinese Word Processor and NJStar Japanese Word Processor are vulnerable to a stack-based buffer overflow, caused by improper bounds checking of font names. By creating a malicious .njx document file, a remote attacker could overflow a buffer and execute arbitrary code on the system, once the malicious .njx file is opened. An attacker could exploit this vulnerability by hosting the malicious .njx file on a Web site or sending it to a victim as an email attachment.
Platforms Affected:
- NJStar Software Corp., NJStar Chinese Word Processor prior to 5.10
- NJStar Software Corp., NJStar Japanese Word Processor prior to 5.10
Remedy:
Upgrade to the latest version of NJStar Chinese or Japanese Word Processor (5.10 or later), available from the NJStar Software Web site. See References.
Consequences:
Gain Access
References:
- NJStar Software Web site, NJStar Software Download at http://www.njstar.com/download/.
- BID-16737: NJStar Word Processor Remote Buffer Overflow Vulnerability
- CVE-2006-0807: Stack-based buffer overflow in NJStar Chinese and Japanese Word Processor 4.x and 5.x before 5.10 allows user-assisted attackers to execute arbitrary code via font names in NJStar (.njx) documents.
- OSVDB ID: 23354: NJStar Word Processor Font Name Processing Overflow
- SA18702: NJStar Word Processor Font Name Buffer Overflow
- SECTRACK ID: 1015649: NJStar Chinese/Japanese Word Processor Buffer Overflow in Font Names Lets Remote Users Execute Arbitrary Code
- VUPEN/ADV-2006-0670: NJStar Word Processor Font Name Handling Buffer Overflow Vulnerability
Reported:
Feb 20, 2006
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