Provided by Aanval (Snort & Syslog Intrusion Detection and Correlation Engine) www.aanval.com
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| 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. |
| Impact | Serious. An attacker may gain escalated privileges offering super user access on the affected host. |
| 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. |
| Affected Systems | |
| Attack Scenarios | Simple. |
| Ease of Attack | Simple. |
| 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. |
| Additional References |
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DID:702366
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http://www.aanval.com/