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| GEN:SID | 1:2265 |
| Message | SMTP SOML FROM sendmail prescan too many addresses overflow |
| Summary | This event is generated when an attempt is made to exploit a known vulnerability in versions of Sendmail. |
| Impact | Remote arbitrary code execution. |
| Detailed Information | A vulnerability exists in the prescan() function used in Sendmail prior to version 8.12.9. This function contains an error when converting a character to an integer value while processing SMTP headers. |
| Affected Systems | All systems using Sendmail. |
| Attack Scenarios | An attacker could exploit this condition to process code of their choosing and open a listening shell bound to a high port, thus opening the system to further compromise. |
| Ease of Attack | Simple. Exploit code exists. |
| Corrective Action | Upgrade Sendmail to the latest non-affected verison. |
| Additional References | CERT: http://www.cert.org/advisories/CA-2003-07.html |
| Rule References | bugtraq: 6991 cve: 2002-1337 |
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DID:348456
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