HIGH
dovecot: incorrect handling of negative rights in the ACL plugin
Published Oct 15, 2008
7.5
HIGHCVSS 3.1
EPSS 2.33%
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.
Affected products
No data.
Configuration 2
OR
- 8
- 9
Configuration 4
OR
- 8.04
- 8.10
- 9.04
No data.
Red Hat Enterprise Linux 5
dovecot-0:1.0.7-7.el5
Fixed · RHSA-2009:0205
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | dovecot-0:1.0.7-7.el5 | Fixed | RHSA-2009:0205 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
No CVSS v3.0 score for this CVE.
6.4 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.33% 0.02328
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02328
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.33% (0.02328) | 82.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.33% (0.02328) | 81.22th | v5 (v2026.06.15) |
| Mar 29, 2025 | 2.05% (0.02052) | 73.15th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.78% (0.00785) | 72.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.33% (0.00332) | 71.97th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00332) | 70.31th | v3 (v2023.03.01) |
| Jan 21, 2024 | 0.33% (0.00332) | 68.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.56% (0.00562) | 74.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (21)
- http://bugs.gentoo.org/show_bug.cgi?id=240409 x_refsource_CONFIRMIssue Tracking
- http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html vendor-advisoryx_refsource_SUSEMailing List
- http://secunia.com/advisories/32164 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://secunia.com/advisories/32471 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/33149 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/33624 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/36904 third-party-advisoryx_refsource_SECUNIABroken Link
- http://security.gentoo.org/glsa/glsa-200812-16.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://www.dovecot.org/list/dovecot-news/2008-October/000085.html mailing-listx_refsource_MLISTMailing ListRelease Notes
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:232 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.redhat.com/support/errata/RHSA-2009-0205.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.securityfocus.com/bid/31587 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-838-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.vupen.com/english/advisories/2008/2745 vdb-entryx_refsource_VUPENPermissions Required
- https://access.redhat.com/security/cve/CVE-2008-4577 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=467436 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2008-4577
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10376 vdb-entrysignaturex_refsource_OVALBroken Link
- https://www.cve.org/CVERecord?id=CVE-2008-4577
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00816.html vendor-advisoryx_refsource_FEDORAMailing List
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00844.html vendor-advisoryx_refsource_FEDORAMailing List
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Oct 15, 2008
Updated Aug 7, 2024
Reserved Oct 15, 2008
Link CVE-2008-4577
CISA Vulnrichment
Updated n/a