22958 : QNX Neutrino RTOS rc.local Permission Weakness Privilege Escalation
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Info

Last Modified

about 1 year ago

Percent Complete

95%

Disclosure

Feb 07, 2006

Discovery

Dec 24, 2004

Dates

Exploit

Feb 07, 2006

Solution

Unknown

Keywords

No Keywords

Description

QNX Neutrino RTOS contains a flaw that may allow a local user to gain elevated privileges. The issue is due to the /etc/rc.d/rc.local file installing with world writeable permissions. This allows any user to add arbitrary commands that will be executed with root privileges upon the next system startup.

Classification

Location: Local Access Required
Attack Type: Misconfiguration
Impact: Loss of Integrity
Exploit: Exploit Available

Solution

Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround: change the permission of /etc/rc.d/rc.local to something more restrictive such as 644

Products

QNX Software Systems

QNX Neutrino RTOS

6.3.0

References

Security Tracker: 1015598
Secunia Advisory ID: 18750
CVE ID: 2006-0623 (see also: NVD)
ISS X-Force ID: 24552
FrSIRT Advisory: ADV-2006-0474
Mail List Post: http://archives.neohapsis.com/archives/fulldisclosure/2006-02/0122.html
Other Advisory URL: http://www.idefense.com/intelligence/vulnerabilities/display.php?id=387
Vendor URL: http://www.qnx.com/products/rtos/

Credit

iDEFENSE - idlabs-advisoriesidefense.com - iDEFENSE

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