{"id":"CVE-2006-4842","aliases":["EUVD-2006-4829","GHSA-c7x4-3f9v-h9qf"],"status":"published","title":"The Netscape Portable Runtime (NSPR) API 4.6.1 and 4.6.2, as used in Sun Solaris 10, trusts user...","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.","severity":{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07684,"percentile":0.94631,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2006-10-12T00:00:00Z","modified":"2026-06-16T22:29:53Z","exploits":[{"source":"exploitdb","id":"EDB-2543","title":"Solaris 10 libnspr - 'LD_PRELOAD' Arbitrary File Creation Privilege Escalation (1)","type":"local","platform":"solaris","date":"2006-10-13","verified":true,"url":"https://www.exploit-db.com/exploits/2543"},{"source":"exploitdb","id":"EDB-2569","title":"Solaris 10 libnspr - 'LD_PRELOAD' Arbitrary File Creation Privilege Escalation (2)","type":"local","platform":"solaris","date":"2006-10-16","verified":true,"url":"https://www.exploit-db.com/exploits/2569"},{"source":"exploitdb","id":"EDB-2641","title":"Solaris 10 libnspr - 'Constructor' Arbitrary File Creation Privilege Escalation (3)","type":"local","platform":"solaris","date":"2006-10-24","verified":true,"url":"https://www.exploit-db.com/exploits/2641"},{"source":"exploitdb","id":"EDB-28788","title":"Sun Solaris Netscape Portable Runtime API 4.6.1 - Local Privilege Escalation (1)","type":"local","platform":"solaris","date":"2006-10-13","verified":true,"url":"https://www.exploit-db.com/exploits/28788"},{"source":"exploitdb","id":"EDB-28789","title":"Sun Solaris Netscape Portable Runtime API 4.6.1 - Local Privilege Escalation (2)","type":"local","platform":"solaris","date":"2006-10-24","verified":true,"url":"https://www.exploit-db.com/exploits/28789"},{"source":"exploitdb","id":"EDB-45433","title":"Solaris - libnspr NSPR_LOG_FILE Privilege Escalation (Metasploit)","type":"local","platform":"solaris","date":"2018-09-18","verified":true,"url":"https://www.exploit-db.com/exploits/45433"},{"source":"metasploit","id":"exploit/solaris/local/libnspr_nspr_log_file_priv_esc","title":"Solaris libnspr NSPR_LOG_FILE Privilege Escalation","type":"exploit","platform":"Solaris","date":"2006-10-11","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/solaris/local/libnspr_nspr_log_file_priv_esc"}],"products":[{"vendor":"netscape","product":"portable_runtime_api"},{"vendor":"sun","product":"solaris"}],"references":[{"url":"http://www.securityfocus.com/bid/20471","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2006/4016","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=418","tags":["third-party-advisory","x_refsource_IDEFENSE","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/archive/1/448691/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://www.exploit-db.com/exploits/45433/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/29489","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/22348","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1819","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-26-102658-1","tags":["vendor-advisory","x_refsource_SUNALERT","x_transferred"]},{"url":"http://securitytracker.com/id?1017050","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-4842"},{"url":"https://www.exploit-db.com/exploits/45433"},{"url":"https://github.com/advisories/GHSA-c7x4-3f9v-h9qf"}],"sources":{"cve":[{"id":"CVE-2006-4842","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.","status":"published","published":"2006-10-12T00:00:00Z","modified":"2024-08-07T19:23:41.272Z","updated_at":"2026-11-02T14:33:51.085765Z"}],"euvd":[{"id":"EUVD-2006-4829","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.","status":"published","published":"2006-10-12T00:00:00Z","modified":"2024-08-07T19:23:41Z","updated_at":"2026-11-03T01:15:50.383789Z"}],"ghsa":[{"id":"GHSA-c7x4-3f9v-h9qf","title":"The Netscape Portable Runtime (NSPR) API 4.6.1 and 4.6.2, as used in Sun Solaris 10, trusts user...","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.","status":"published","published":"2022-05-01T07:22:29Z","modified":"2025-04-09T03:32:08Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:00:52.300715Z"}],"nvd":[{"id":"CVE-2006-4842","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.","status":"published","published":"2006-10-12T00:07:00Z","modified":"2026-06-16T22:29:53.427Z","cvss":[{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:06.675668Z"}]}}