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Pine rpdump File Creation Race Condition Vulnerability
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Secunia Advisory:
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SA14899
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Release Date:
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2005-04-12
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Last Update:
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2005-04-14
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Critical:
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Not critical
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Impact:
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Manipulation of data
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Where:
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Local system
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Solution Status:
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Unpatched
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| Software: | Pine 4.x
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| | CVE reference: | CVE-2005-1066 (Secunia mirror)
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This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released! |
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Description:
Imran Ghory has reported a vulnerability in Pine, which potentially can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
The vulnerability is caused due to a race condition in the rpdump utility when creating files. The problem is that there is a larger gap between the time that a check is made to determine whether a local file exists and the time that the file is created. This can be exploited via symlink attacks to overwrite arbitrary files with the privileges of the user running the vulnerable program.
Successful exploitation requires write permissions to the directory, which rpdump creates the local file in.
The vulnerability has been reported in Pine 4.62. Other versions may also be affected.
Solution:
Ensure that only the user has write permissions to the directory used for creating the file with rpdump.
Provided and/or discovered by:
Imran Ghory
Changelog:
2005-04-14: Added CVE reference.
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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3 Related Secunia Security Advisories
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1. Pine Message Parsing Buffer Overflow Vulnerabilities
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2. Multiple IMAP Clients System Access Vulnerabilities
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3. Pine remote Denial of Service
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