FS#44757 - [dovecot] CVE-2015-3420: DoS in dovecot <= 2.2.16

Attached to Project: Arch Linux
Opened by Remi Gacogne (rgacogne) - Tuesday, 28 April 2015, 11:18 GMT
Last edited by Andreas Radke (AndyRTR) - Tuesday, 28 April 2015, 19:14 GMT
Task Type Bug Report
Category Security
Status Closed
Assigned To Andreas Radke (AndyRTR)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Hello,

A vulnerability [1] has been found in Dovecot, allowing a remote unauthenticated attacker to crash a Dovecot login process. To be vulnerable, Dovecot has to accept SSL/TLS connections while having disabled the use of SSLv3. It looks like the vulnerability also requires a recent (1.0.2+ ?) version of OpenSSL, but I can confirm that Arch is vulnerable.

Timo Sirainen has stated [2] that he will not release a new version for this specific issue only, so I think we should backport the fix [3].

[1]: http://seclists.org/oss-sec/2015/q2/288
[2]: http://dovecot.org/pipermail/dovecot/2015-April/100655.html
[3]: http://hg.dovecot.org/dovecot-2.2/rev/86f535375750
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Tuesday, 28 April 2015, 19:14 GMT
Reason for closing:  Fixed
Additional comments about closing:  patch applied to 2.2.16-2

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