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ProFTPD "mod_ctrls" Privilege Escalation Vulnerability
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Secunia Advisory:
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SA23371
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Release Date:
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2006-12-14
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Last Update:
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2007-02-14
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Critical:
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Not critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | ProFTPD 1.2.x
ProFTPD 1.3.x
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| | CVE reference: | CVE-2006-6563 (Secunia mirror)
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Description:
Alfredo Ortega has reported a vulnerability in the mod_ctrls module for ProFTPD, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to a boundary error within the "pr_ctrls_recv_request()" function in src/ctrls.c and can be exploited to cause a buffer overflow by sending specially crafted control messages to the module.
Successful exploitation may allow to execute arbitrary code with escalated privileges, but requires that the mod_ctrl module is used and that ACLs allow the attacker to access the module.
The vulnerability is reported in versions prior to 1.3.1rc1.
Solution:
Update to version 1.3.1rc1.
Provided and/or discovered by:
Alfredo Ortega, Core Security Technologies.
Changelog:
2006-12-18: Added CVE reference.
2007-02-14: Updated "From where" field.
Original Advisory:
http://www.coresecurity.com/?module=ContentMod&action=item&id=1594
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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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7. ProFTPD CIDR Addressing ACL and "site chgrp" Security Issues
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8. ProFTPD ASCII File Translation Off-By-One Vulnerability
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9. ProFTPD ASCII Mode File Transfer Buffer Overflow Vulnerability
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10. ProFTPD mod_sql SQL Injection
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