CVE		CVE-2009-4147
Status		Candidate
Description		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.
Severity		High
CVSS score		7,2
CVSS vector		(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Phase		Assigned (03.12.2009)
NVD:		http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4147
References		BID : 37154
		BUGTRAQ : 20091130 ** FreeBSD local r00t zeroday
		BUGTRAQ : 20091201 Upcoming FreeBSD Security Advisory
		CONFIRM : http://people.freebsd.org/~cperciva/rtld.patch
		SECTRACK : 1023250
		SECUNIA : 37517
SecurityVulns:		FreeBSD privilege escalation