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>> Sendmail Multipart MIME Message Handling Remote Denial of Service Vulnerability

Title : Sendmail Multipart MIME Message Handling Remote Denial of Service Vulnerability
VUPEN ID : VUPEN/ADV-2006-2351
CVE ID : CVE-2006-1173
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-06-15


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Sendmail, which could be exploited by attackers to cause a denial of service. This flaw is due to an error in the MIME 8-bit to 7-bit "mime8to7()" conversion routine that does not properly handle malformed MIME messages, which could be exploited by attackers to exhaust the per-process stack space memory available and cause that process to abort.

Affected Products

Sendmail version 8.13.6 and prior

Solution

Upgrade to Sendmail version 8.13.7 :
ftp://ftp.sendmail.org/pub/sendmail/
Commercial products :
http://www.sendmail.com/security/advisories/SA-200605-01.txt.asc

References

http://www.vupen.com/english/advisories/2006/2351
http://www.sendmail.org/releases/8.13.7.html
http://www.kb.cert.org/vuls/id/146718

Credits

Vulnerability reported by Frank Sheiness

ChangeLog

2006-06-15 : Initial release

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