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FreeBSD : FreeBSD -- Improper environment sanitization in rtld(1) (ad08d14b-ca3d-11df-aade-0050568f000c)

high Nessus Plugin ID 50336

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

When running setuid programs rtld will normally remove potentially dangerous environment variables. Due to recent changes in FreeBSD environment variable handling code, a corrupt environment may result in attempts to unset environment variables failing.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?63c4dfb4

Plugin Details

Severity: High

ID: 50336

File Name: freebsd_pkg_ad08d14bca3d11dfaade0050568f000c.nasl

Version: 1.13

Type: local

Published: 10/26/2010

Updated: 1/6/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:freebsd, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Settings/ParanoidReport, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 10/24/2010

Vulnerability Publication Date: 12/3/2009

Exploitable With

Metasploit (FreeBSD rtld execl() Privilege Escalation)

Reference Information

BID: 37154

FreeBSD: SA-09:16.rtld