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Citadel SMTP "makeuserkey()" Buffer Overflow Vulnerability
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Secunia Advisory:
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SA28590
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Release Date:
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2008-01-22
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Last Update:
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2008-02-04
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Citadel 7.x
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| | CVE reference: | CVE-2008-0394 (Secunia mirror)
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Description:
prdelka has discovered a vulnerability in Citadel, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error within the "makeuserkey()" function in user_ops.c. This can be exploited to cause a stack-based buffer overflow via an overly long argument to the "RCPT TO" SMTP command.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in version 7.10. Other versions may also be affected.
Solution:
Update to version 7.24.
Provided and/or discovered by:
prdelka. Additional information provided by Secunia Research.
Changelog:
2008-02-04: 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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