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Secunia Security Advisory 44683

Secunia Security Advisory 44683
Posted May 25, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in Dovecot, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
MD5 | 82e217c5b2a1fb953ae82454e2482099

Secunia Security Advisory 44683

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TITLE:
Dovecot Mail Header Parsing Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA44683

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44683/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44683

RELEASE DATE:
2011-05-26

DISCUSS ADVISORY:
http://secunia.com/advisories/44683/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/44683/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=44683

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Dovecot, which can be exploited
by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in
src/lib-mail/message-header-parser.c when processing mail header
names. This can be exploited to cause the daemon to crash via a
specially crafted header containing a NUL character.

The vulnerability is reported in versions 1.2.16 and 2.0.12.

SOLUTION:
Update to version 1.2.17 or 2.0.13.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://dovecot.org/pipermail/dovecot/2011-May/059086.html
http://dovecot.org/pipermail/dovecot/2011-May/059085.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users 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.

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