Netscape Portable Runtime API file create
| nspr-api-file-create (29489) |  High Risk |
Description:
Netscape Portable Runtime (NSPR) API could allow a local attacker to create or overwrite arbitrary files on the system, caused by improper validation of user-supplied environment values. A local attacker could exploit this vulnerability to create or overwrite arbitrary files on the system with root privileges.
*CVSS:
| Base Score: | 7 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 5.8 |
| Exploitability: | Functional |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
File Manipulation
Remedy:
For Sun Solaris:
Refer to Sun Alert ID: 102658 for patch, upgrade or suggested workaround information. See References.
References:
- iDefense Labs PUBLIC ADVISORY: 10.11.06: Sun Microsystems Solaris NSPR Library Arbitrary File Creation Vulnerability.
- Netscape Portable Runtime Web site: Netscape Portable Runtime (NSPR).
- Sun Alert ID: 102658: Security Vulnerability in the Netscape Portable Runtime (NSPR) API Affects Solaris.
- BID-20471: Sun Solaris Netscape Portable Runtime API Local Privilege Escalation Vulnerability
- CVE-2006-4842: The Netscape Portable Runtime (NSPR) API 4.6.1 and 4.6.2, as used in Sun Solaris 10, trusts user-specified environment variables for specifying log files even when running from setuid programs, which allows local users to create or overwrite arbitrary files.
- SA22348: Solaris Netscape Portable Runtime Privilege Escalation
- SECTRACK ID: 1017050: Netscape Portable Runtime API Environment Variable Lets Local Users Create Arbitrary Files
- VUPEN/ADV-2006-4016: Sun Solaris Netscape Portable Runtime API Privilege Escalation Vulnerability
Platforms Affected:
- Mozilla Netscape Portable Runtime 4.6.1
- Mozilla Netscape Portable Runtime 4.6.2
- Sun Solaris 10 x64
- Sun Solaris 10 SPARC
Reported:
Oct 11, 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.