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.
*CVSS:
| Base Score: | 5.6 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 4.1 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
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.
References:
- NJStar Software Web site: NJStar Software 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
Platforms Affected:
- NJStar Software Corp. NJStar Chinese Word Processor prior to 5.10
- NJStar Software Corp. NJStar Japanese Word Processor prior to 5.10
Reported:
Feb 20, 2006
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.