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Vulnerability Details : 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.
Publish Date : 2006-10-11 Last Update Date : 2011-06-20
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- CVSS Scores & Vulnerability Types

CVSS Score
3.6
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 20

- Vendor Statements

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.
Source: Redhat

- Related OVAL Definitions

Title Definition Id Class Family
Security Vulnerability in the Netscape Portable Runtime (NSPR) API Affects Solaris oval:org.mitre.oval:def:1819 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2006-4842

# Product Type Vendor Product Version Update Edition Language
1 Application Netscape Portable Runtime Api 4.6.1 Version Details Vulnerabilities
2 Application Netscape Portable Runtime Api 4.6.2 Version Details Vulnerabilities
3 OS SUN Solaris 10.0 Sparc Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Netscape Portable Runtime Api 2
SUN Solaris 1

- References For CVE-2006-4842

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=418
IDEFENSE 20061011 Sun Microsystems Solaris NSPR Library Arbitrary File Creation Vulnerability
http://secunia.com/advisories/22348
SECUNIA 22348
http://securitytracker.com/id?1017050
SECTRACK 1017050
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102658-1
SUNALERT 102658
http://www.securityfocus.com/archive/1/archive/1/448691/100/0/threaded
BUGTRAQ 20061013 Re: iDefense Security Advisory 10.11.06: Sun Microsystems Solaris NSPR Library Arbitrary File Creation Vulnerability
http://www.securityfocus.com/bid/20471
BID 20471 Sun Solaris Netscape Portable Runtime API Local Privilege Escalation Vulnerability Release Date:2008-08-25
http://xforce.iss.net/xforce/xfdb/29489
XF nspr-api-file-create(29489)
http://www.vupen.com/english/advisories/2006/4016
VUPEN ADV-2006-4016

- Metasploit Modules Related To CVE-2006-4842

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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