Description
The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected products
- Canonical / Ubuntu Linux9.04 – 9.04
- Canonical / Ubuntu Linux8.04 – 8.04
- Canonical / Ubuntu Linux8.10 – 8.10
- dovecot / dovecot1.1.4
- fedoraproject / fedora8 – 8
- fedoraproject / fedora9 – 9
- openSUSE / opensuse10.3-11.1 – 10.3-11.1
References
- VENDOR_ADVISORYhttp://secunia.com/advisories/32164
- VENDOR_ADVISORYhttp://secunia.com/advisories/32471
- VENDOR_ADVISORYhttp://secunia.com/advisories/33149
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2008/2745
- MISChttps://www.redhat.com/archives/fedora-package-announce/2008-October/msg00816.html
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10376
- MISChttp://www.securityfocus.com/bid/31587
- MISChttps://www.redhat.com/archives/fedora-package-announce/2008-October/msg00844.html
- VENDOR_ADVISORYhttp://www.mandriva.com/security/advisories?name=MDVSA-2008:232
- VENDOR_ADVISORYhttp://www.ubuntu.com/usn/USN-838-1
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html
- MISChttp://security.gentoo.org/glsa/glsa-200812-16.xml
- MISChttp://bugs.gentoo.org/show_bug.cgi?id=240409
- MISChttp://www.redhat.com/support/errata/RHSA-2009-0205.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/33624
- MISChttp://www.dovecot.org/list/dovecot-news/2008-October/000085.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/36904