01 Record

CVE-2009-4146

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 3.90% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 89.3% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2009-12-02 18:00Z16 YR AGO

Last updated

2024-08-07 06:54Z2 YR AGO

Reserved

2009-12-01

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-264

Data version

5.1

Document digest

5773d3d638aae5a4f8487a44d0f2f3ef2f27ee95681e7ee068d90e319ce83784

05 Affected products

VendorProductVersionsPlatforms

freebsdfreebsdNot specified—

06 References

www.securityfocus.com37154http://www.securityfocus.com/bid/37154vdb-entryx_refsource_BID
www.securityfocus.com20091201 Upcoming FreeBSD Security Advisoryhttp://www.securityfocus.com/archive/1/508146/100/0/threadedmailing-listx_refsource_BUGTRAQ
secunia.com37517http://secunia.com/advisories/37517third-party-advisoryx_refsource_SECUNIA
people.freebsd.orghttp://people.freebsd.org/~cperciva/rtld.patchx_refsource_CONFIRM
www.securityfocus.com20091130 ** FreeBSD local r00t zerodayhttp://www.securityfocus.com/archive/1/508142/100/0/threadedmailing-listx_refsource_BUGTRAQ
www.securitytracker.com1023250http://www.securitytracker.com/id?1023250vdb-entryx_refsource_SECTRACK
www.securityfocus.com20091201 Re: ** FreeBSD local r00t zerodayhttp://www.securityfocus.com/archive/1/508168/100/0/threadedmailing-listx_refsource_BUGTRAQ
packetstormsecurity.comhttp://packetstormsecurity.com/files/152997/FreeBSD-rtld-execl-Privilege-Escalation.htmlx_refsource_MISC

01 Record index

CVE-2009-4146

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2009-4146

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References