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…
Does this matter?
6 public exploits are published in Exploit-DB (verified), so the technical barrier is gone even though the severity is low and EPSS is 7.6%. Treat it as high on anything reachable from the internet.
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.
- CVSS 2.0
- 3.6 LOWAV:L/AC:L/Au:N/C:N/I:P/A:P
- EPSS
- 7.62% probability · 95th percentile
- Public exploits
- 6 in Exploit-DB · verified · first 13 October 2006
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- netscape/portable runtime api · sun/solaris
- Source
- cve@mitre.org
EPSS 7.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (6)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-45433source ↗ | Solaris - libnspr NSPR_LOG_FILE Privilege Escalation (Metasploit)solaris · Metasploit | local | 18 September 2018 | yes |
| EDB-28789source ↗ | Sun Solaris Netscape Portable Runtime API 4.6.1 - Local Privilege Escalation (2)solaris · Marco Ivaldi | local | 24 October 2006 | yes |
| EDB-2641source ↗ | Solaris 10 libnspr - 'Constructor' Arbitrary File Creation Privilege Escalation (3)solaris · Marco Ivaldi | local | 24 October 2006 | yes |
| EDB-2569source ↗ | Solaris 10 libnspr - 'LD_PRELOAD' Arbitrary File Creation Privilege Escalation (2)solaris · Marco Ivaldi | local | 16 October 2006 | yes |
| EDB-28788source ↗ | Sun Solaris Netscape Portable Runtime API 4.6.1 - Local Privilege Escalation (1)solaris · Marco Ivaldi | local | 13 October 2006 | yes |
| EDB-2543source ↗ | Solaris 10 libnspr - 'LD_PRELOAD' Arbitrary File Creation Privilege Escalation (1)solaris · Marco Ivaldi | local | 13 October 2006 | yes |
References
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=418Vendor Advisory
- http://secunia.com/advisories/22348Vendor Advisory
- http://securitytracker.com/id?1017050
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102658-1
- http://www.securityfocus.com/archive/1/448691/100/0/threaded
- http://www.securityfocus.com/bid/20471
- http://www.vupen.com/english/advisories/2006/4016Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29489
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1819
- https://www.exploit-db.com/exploits/45433/
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=418Vendor Advisory
- http://secunia.com/advisories/22348Vendor Advisory
- http://securitytracker.com/id?1017050
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102658-1
- http://www.securityfocus.com/archive/1/448691/100/0/threaded
- http://www.securityfocus.com/bid/20471
- http://www.vupen.com/english/advisories/2006/4016Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29489
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1819
- https://www.exploit-db.com/exploits/45433/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.