Secunia Security Advisory - A vulnerability has been reported in Dovecot, which can be exploited by malicious people to cause a DoS (Denial of Service).
3e104c182e6e91622a9b22d446bfc8f71eb8d40fd2ad1c1b10b3bf121be43eb3
----------------------------------------------------------------------
Do you need accurate and reliable IDS / IPS / AV detection rules?
Get in-depth vulnerability details:
http://secunia.com/binary_analysis/sample_analysis/
----------------------------------------------------------------------
TITLE:
Dovecot Malformed Header Denial of Service Vulnerability
SECUNIA ADVISORY ID:
SA32479
VERIFY ADVISORY:
http://secunia.com/advisories/32479/
CRITICAL:
Moderately critical
IMPACT:
DoS
WHERE:
>From remote
SOFTWARE:
Dovecot 1.x
http://secunia.com/advisories/product/10191/
DESCRIPTION:
A vulnerability has been reported in Dovecot, which can be exploited
by malicious people to cause a DoS (Denial of Service).
An error exists when parsing certain mail headers. This can be
exploited to e.g. prevent a user from accessing the mailbox by
sending specially crafted emails to a vulnerable system.
Successful exploitation requires that the client uses the "FETCH
ENVELOPE" command.
SOLUTION:
Update to version 1.1.6.
http://www.dovecot.org/releases/1.1/dovecot-1.1.6.tar.gz
PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.
ORIGINAL ADVISORY:
http://www.dovecot.org/list/dovecot-news/2008-October/000089.html
----------------------------------------------------------------------
About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.
Subscribe:
http://secunia.com/advisories/secunia_security_advisories/
Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/
Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.
----------------------------------------------------------------------