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GEN:SID | 1:2262 |
Message | SMTP SEND FROM sendmail prescan too long 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-2003-12.html |
Rule References | bugtraq: 7230 cve: 2003-0161 nessus: 11499 |
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DID:475843
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