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CVE-2010-3707

Publication date 6 October 2010

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

plugins/acl/acl-backend-vfile.c in Dovecot 1.2.x before 1.2.15 and 2.0.x before 2.0.5 interprets an ACL entry as a directive to add to the permissions granted by another ACL entry, instead of a directive to replace the permissions granted by another ACL entry, in certain circumstances involving more specific entries that occur after less specific entries, which allows remote authenticated users to bypass intended access restrictions via a request to read or modify a mailbox.

Read the notes from the security team

Status

Package Ubuntu Release Status
dovecot 10.10 maverick
Fixed 1:1.2.12-1ubuntu8.1
10.04 LTS lucid
Fixed 1:1.2.9-1ubuntu6.3
9.10 karmic
Not affected
9.04 jaunty Ignored end of life
8.04 LTS hardy
Not affected
6.06 LTS dapper
Not affected

Notes

sbeattie

from upstream email at http://www.dovecot.org/list/dovecot/2010-October/053452.html it sounds like problem was introduced in 1.2.8, so earlier may not be vulnerable.

mdeslaur

seems to be introduced by this: http://hg.dovecot.org/dovecot-1.2/rev/76ff6831c9ae

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
dovecot

References

Related Ubuntu Security Notices (USN)

    • USN-1059-1
    • Dovecot vulnerabilities
    • 7 February 2011

Other references