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VULNERABILITIES

CVE-2009-4146 Details

Description

The _rtld function in the Run-Time Link-Editor (rtld) in libexec/rtld-elf/rtld.c in FreeBSD 7.1, 7.2, and 8.0 does not clear the LD_PRELOAD environment variable, which allows local users to gain privileges by executing a setuid or setguid program with a modified LD_PRELOAD variable containing an untrusted search path that points to a Trojan horse library, a different vector than CVE-2009-4147.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://packetstormsecurity.com/files/152997/FreeBSD-rtld-execl-Privilege-Escalation.html CVE
http://people.freebsd.org/~cperciva/rtld.patch CVEExploit
http://secunia.com/advisories/37517 CVEVendor Advisory
http://www.securityfocus.com/archive/1/508142/100/0/threaded CVE
http://www.securityfocus.com/archive/1/508146/100/0/threaded CVE

see all 16 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-264Permissions, Privileges, and Access Controls[email protected]

Affected Products

ProductVersions
freebsd freebsd
7.1
7.2
8.0

CPE

  • cpe:2.3:o:freebsd:freebsd:7.1:*:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:7.2:*:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2009-4146
NVD Published Date:
Dec 2, 2009
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2009-4146 Details - Not Deferred