National Cyber-Alert System
Vulnerability Summary for CVE-2006-4842
Original release date:10/12/2006
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
4.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification; Allows disruption of service
- 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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External Source: XF
Name: nspr-api-file-create(29489)
External Source: BID
Name: 20471
External Source: BUGTRAQ
Name: 20061013 Re: iDefense Security Advisory 10.11.06: Sun Microsystems Solaris NSPR Library Arbitrary File Creation Vulnerability
External Source: VUPEN
Name: ADV-2006-4016
External Source: SUNALERT
Name: 102658
External Source: SECTRACK
Name: 1017050
External Source: SECUNIA
Name: 22348
External Source: IDEFENSE
Name: 20061011 Sun Microsystems Solaris NSPR Library Arbitrary File Creation Vulnerability
Type: Advisory
US Government Resource: oval:org.mitre.oval:def:1819
Name: oval:org.mitre.oval:def:1819
Type: Tool Signature