| GEN:SID | 1:2113 |
| Message | RSERVICES rexec username overflow attempt |
| Summary | This event is generated when an attempt is made to exploit a vulnerability in the rexec daemon.
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| Impact | Serious. An attacker may gain escalated privileges offering super user access on the affected host.
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| Detailed Information | Rexec offers users the ability to execute commands on a host from remote locations.
A vulnerability exists such that an when an overly long username is supplied to the rexec daemon, a buffer overflow condition may occur thus presenting the attacker with the opportunity to execute arbitrary code and possibly gain escalated privileges on the target host.
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| Affected Systems | |
| Attack Scenarios | Simple.
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| Ease of Attack | Simple.
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| Corrective Action | Upgrade to the latest non-affected version of the software.
Disallow the use of rexec commands from sources external to the protected network.
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| Additional References | |