National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2006-4842 Detail

Current Description

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.

Source:  MITRE      Last Modified:  10/11/2006      View Analysis Description

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
3.6 LOW
(AV:L/AC:L/Au:N/C:N/I:P/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (01/11/2007)

This issue also affects other OS that use NSPR. However, Red Hat does not ship any application linked setuid or setgid against NSPR and therefore is not vulnerable to this issue.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name Vendor Advisory External Source IDEFENSE 20061011 Sun Microsystems Solaris NSPR Library Arbitrary File Creation Vulnerability External Source SECTRACK 1017050 External Source SUNALERT 102658 External Source BUGTRAQ 20061013 Re: iDefense Security Advisory 10.11.06: Sun Microsystems Solaris NSPR Library Arbitrary File Creation Vulnerability External Source BID 20471 Vendor Advisory External Source VUPEN ADV-2006-4016 External Source XF nspr-api-file-create(29489) External Source OVAL oval:org.mitre.oval:def:1819

References to Check Content

Check System:

Technical Details

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Change History 3 change records found - show changes