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Insecure Library Loading
Less critical

Net-snmp fixproc Insecure Temporary File Creation

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Release Date:  2005-05-24    Last Update:  2005-06-21    Views:  11,716

Secunia Advisory SA15471

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Eric Romang has reported a vulnerability in Net-snmp, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.

The vulnerability is caused due to fixproc creating temporary files insecurely. This can be exploited via symlink attacks to create or overwrite arbitrary files on the system with the privileges of the user running fixproc.

It may potentially also be possible to execute arbitrary code with escalated privileges by exploiting a race condition to manipulate the contents of the temporary file before it's executed.

The vulnerability has been reported in versions 5.2.1 and prior.


Solution:
The vulnerability has been fixed in versions 5.0.10 and 5.1.3.pre1.

Provided and/or discovered by:
Eric Romang

Original Advisory:
Eric Romang:
http://www.zataz.net/adviso/net-snmp-05182005.txt

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Net-snmp fixproc Insecure Temporary File Creation

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