GEN:SID | 1:2261 |
Message | SMTP SEND 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.
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Impact | Remote arbitrary code execution.
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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.
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Affected Systems | All systems using Sendmail.
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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.
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Ease of Attack | Simple. Exploit code exists.
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Corrective Action | Upgrade Sendmail to the latest non-affected verison.
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Additional References | |
Rule References | bugtraq: 6991
cve: 2002-1337
nessus: 11316
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