CVE-2010-3706

Severity: medium (CVSS 5.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-10-06 · updated 2026-06-16
Weakness: CWE-264

Description

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 the private namespace of a user, which allows remote authenticated users to bypass intended access restrictions via a request to read or modify a mailbox.

Affected products

dovecot: 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5 (+14)

References

http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
http://marc.info/?l=oss-security&m=128620520732377&w=2
http://marc.info/?l=oss-security&m=128622064325688&w=2
http://secunia.com/advisories/43220
http://www.dovecot.org/list/dovecot/2010-October/053450.html
http://www.dovecot.org/list/dovecot/2010-October/053451.html
http://www.dovecot.org/list/dovecot/2010-October/053452.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:217
http://www.ubuntu.com/usn/USN-1059-1
http://www.vupen.com/english/advisories/2010/2572
http://www.vupen.com/english/advisories/2010/2840
http://www.vupen.com/english/advisories/2011/0301

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