| GEN:SID | 1:2666 |
| Message | POP3 PASS format string attempt |
| Summary | This event is generated when a remote attacker attempts to exploit a format string vulnerability against a POP server.
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| Impact | Serious. A successful format string attack could result in the execution of arbitrary code with the same privileges as the user running the POP daemon.
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| Detailed Information | Some versions of the Courier POP daemon are vulnerable to format string exploits prior to and during authentication to the POP server. A successful exploit attempt could result in the remote attacker gaining unauthorized root access to a vulnerable system.
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| Affected Systems | Courier IMAP/POP server versions 1.6 though 3.0.2
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| Attack Scenarios | A remote attacker could use a publicly available script to exploit the vulnerability an gain control of the target host.
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| Ease of Attack | Simple. Exploit code is available.
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| Corrective Action | Upgrade to the latest non-affected version of the software.
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| Additional References | |
| Rule References | bugtraq: 10976
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