Auth bypass in Dovecot
CVE-2008-4577
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.
Vulnerability class: Broken Access Control
EPSS: 0.023 (81.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Dovecot
- Canonical Ubuntu_linux — versions 8.04, 8.10, 9.04
- Fedoraproject Fedora — versions 8, 9
- Opensuse — versions 10.3-11.1
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_SECUNIA, Broken Link, Vendor Advisory, third-party-advisory)
- secalert@redhat.com (x_refsource_SECUNIA, Broken Link, third-party-advisory)
- secalert@redhat.com (x_refsource_SECUNIA, Broken Link, third-party-advisory)
- secalert@redhat.com (Permissions Required, vdb-entry, x_refsource_VUPEN)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Mailing List)
- secalert@redhat.com (Broken Link, signature, x_refsource_OVAL, vdb-entry)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Mailing List)
- secalert@redhat.com (vendor-advisory, x_refsource_MANDRIVA, Broken Link)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2008-4577?
- CVE-2008-4577 is a high-severity vulnerability in Dovecot, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2008-10-15.
- How severe is CVE-2008-4577?
- High severity. CVSS v3 base score is 7.5 out of 10.