Bug 1800502 (CVE-2020-7957) - CVE-2020-7957 dovecot: specially crafted email can cause mailbox to have permanently unaccessible mail
Summary: CVE-2020-7957 dovecot: specially crafted email can cause mailbox to have perm...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-7957
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1800498
TreeView+ depends on / blocked
 
Reported: 2020-02-07 09:42 UTC by Marian Rehak
Modified: 2021-02-16 20:38 UTC (History)
6 users (show)

Fixed In Version: dovecot 2.3.9.3
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Clone Of:
Environment:
Last Closed: 2020-02-17 05:16:48 UTC
Embargoed:

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Description Marian Rehak 2020-02-07 09:42:40 UTC 
Sending specially crafted email can cause mailbox to have permanently unaccessible mail, or the mail can be stuck in delivery.
Comment 1 Huzaifa S. Sidhpurwala 2020-02-17 05:14:32 UTC 
External References:

https://dovecot.org/pipermail/dovecot-news/2020-February/000430.html
Comment 2 Huzaifa S. Sidhpurwala 2020-02-17 05:16:48 UTC 
This issue is already addressed in Fedora via the following updates:

Fedora-30-testing: http://koji.fedoraproject.org/packages/dovecot/2.3.9.3/1.fc30
Fedora-31-testing: http://koji.fedoraproject.org/packages/dovecot/2.3.9.3/1.fc31
Comment 3 Huzaifa S. Sidhpurwala 2020-02-17 05:32:44 UTC 
Upstream commit: https://github.com/dovecot/core/commit/3a55f35c208b5fd3d52c0a6272bd5b8717a2ae54
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