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Vulnerability Details : CVE-2009-4147

The _rtld function in the Run-Time Link-Editor (rtld) in libexec/rtld-elf/rtld.c in FreeBSD 7.1 and 8.0 does not clear the (1) LD_LIBMAP, (2) LD_LIBRARY_PATH, (3) LD_LIBMAP_DISABLE, (4) LD_DEBUG, and (5) LD_ELF_HINTS_PATH environment variables, which allows local users to gain privileges by executing a setuid or setguid program with a modified variable containing an untrusted search path that points to a Trojan horse library, different vectors than CVE-2009-4146.
Publish Date : 2009-12-02 Last Update Date : 2019-05-22
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
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) Gain privileges
CWE ID 264

- Products Affected By CVE-2009-4147

# Product Type Vendor Product Version Update Edition Language
1 OS Freebsd Freebsd 7.1 * * * Version Details Vulnerabilities
2 OS Freebsd Freebsd 8.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Freebsd Freebsd 2

- References For CVE-2009-4147
BUGTRAQ 20091201 Upcoming FreeBSD Security Advisory
BUGTRAQ 20091130 ** FreeBSD local r00t zeroday
SECTRACK 1023250
BID 37154 FreeBSD 'execl()' Local Privilege Escalation Vulnerability Release Date:2009-12-14 CONFIRM

- Metasploit Modules Related To CVE-2009-4147

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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