checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 51
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* | up to 2.2.6 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0:beta1:*:*:*:*:*:* | 2.0 beta1 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.3:*:*:*:*:*:*:* | 2.0.3 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.5:*:*:*:*:*:*:* | 2.0.5 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.6:*:*:*:*:*:*:* | 2.0.6 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.7:*:*:*:*:*:*:* | 2.0.7 | Vulnerable | The Dovecot Project |
- cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* Versions up to 2.2.6 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0:beta1:*:*:*:*:*:* Versions 2.0 beta1 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.6:*:*:*:*:*:*:* Versions 2.0.6 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.7:*:*:*:*:*:*:* Versions 2.0.7 Vulnerable ·The Dovecot Project
Show 41 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dovecot:dovecot:2.0.8:*:*:*:*:*:*:* | 2.0.8 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.9:*:*:*:*:*:*:* | 2.0.9 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.10:*:*:*:*:*:*:* | 2.0.10 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.11:*:*:*:*:*:*:* | 2.0.11 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.12:*:*:*:*:*:*:* | 2.0.12 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.13:*:*:*:*:*:*:* | 2.0.13 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.14:*:*:*:*:*:*:* | 2.0.14 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.15:*:*:*:*:*:*:* | 2.0.15 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1:rc1:*:*:*:*:*:* | 2.1 rc1 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1:rc2:*:*:*:*:*:* | 2.1 rc2 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1:rc3:*:*:*:*:*:* | 2.1 rc3 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1:rc5:*:*:*:*:*:* | 2.1 rc5 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1:rc6:*:*:*:*:*:* | 2.1 rc6 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1:rc7:*:*:*:*:*:* | 2.1 rc7 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.3:*:*:*:*:*:*:* | 2.1.3 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.4:*:*:*:*:*:*:* | 2.1.4 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.5:*:*:*:*:*:*:* | 2.1.5 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.6:*:*:*:*:*:*:* | 2.1.6 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.7:*:*:*:*:*:*:* | 2.1.7 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.10:*:*:*:*:*:*:* | 2.1.10 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.11:*:*:*:*:*:*:* | 2.1.11 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.12:*:*:*:*:*:*:* | 2.1.12 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.13:*:*:*:*:*:*:* | 2.1.13 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.14:*:*:*:*:*:*:* | 2.1.14 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.1.15:*:*:*:*:*:*:* | 2.1.15 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc1:*:*:*:*:*:* | 2.2 rc1 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc2:*:*:*:*:*:* | 2.2 rc2 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc3:*:*:*:*:*:* | 2.2 rc3 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc4:*:*:*:*:*:* | 2.2 rc4 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc5:*:*:*:*:*:* | 2.2 rc5 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc6:*:*:*:*:*:* | 2.2 rc6 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc7:*:*:*:*:*:* | 2.2 rc7 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2.2:*:*:*:*:*:*:* | 2.2.2 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2.3:*:*:*:*:*:*:* | 2.2.3 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2.4:*:*:*:*:*:*:* | 2.2.4 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2.5:*:*:*:*:*:*:* | 2.2.5 | Vulnerable | The Dovecot Project |
- cpe:2.3:a:dovecot:dovecot:2.0.8:*:*:*:*:*:*:* Versions 2.0.8 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.9:*:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.10:*:*:*:*:*:*:* Versions 2.0.10 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.11:*:*:*:*:*:*:* Versions 2.0.11 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.12:*:*:*:*:*:*:* Versions 2.0.12 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.13:*:*:*:*:*:*:* Versions 2.0.13 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.14:*:*:*:*:*:*:* Versions 2.0.14 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.15:*:*:*:*:*:*:* Versions 2.0.15 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1:rc1:*:*:*:*:*:* Versions 2.1 rc1 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1:rc2:*:*:*:*:*:* Versions 2.1 rc2 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1:rc3:*:*:*:*:*:* Versions 2.1 rc3 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1:rc5:*:*:*:*:*:* Versions 2.1 rc5 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1:rc6:*:*:*:*:*:* Versions 2.1 rc6 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1:rc7:*:*:*:*:*:* Versions 2.1 rc7 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.4:*:*:*:*:*:*:* Versions 2.1.4 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.5:*:*:*:*:*:*:* Versions 2.1.5 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.6:*:*:*:*:*:*:* Versions 2.1.6 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.7:*:*:*:*:*:*:* Versions 2.1.7 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.10:*:*:*:*:*:*:* Versions 2.1.10 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.11:*:*:*:*:*:*:* Versions 2.1.11 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.12:*:*:*:*:*:*:* Versions 2.1.12 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.13:*:*:*:*:*:*:* Versions 2.1.13 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.14:*:*:*:*:*:*:* Versions 2.1.14 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.1.15:*:*:*:*:*:*:* Versions 2.1.15 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc1:*:*:*:*:*:* Versions 2.2 rc1 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc2:*:*:*:*:*:* Versions 2.2 rc2 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc3:*:*:*:*:*:* Versions 2.2 rc3 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc4:*:*:*:*:*:* Versions 2.2 rc4 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc5:*:*:*:*:*:* Versions 2.2 rc5 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc6:*:*:*:*:*:* Versions 2.2 rc6 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc7:*:*:*:*:*:* Versions 2.2 rc7 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2.2:*:*:*:*:*:*:* Versions 2.2.2 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2.3:*:*:*:*:*:*:* Versions 2.2.3 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2.4:*:*:*:*:*:*:* Versions 2.2.4 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2.5:*:*:*:*:*:*:* Versions 2.2.5 Vulnerable ·The Dovecot Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2013-6171
- 2026-10-03 Alias added: GHSA-f2q7-xh76-m34j
References
More The Dovecot Project Dovecot vulnerabilities
- TI-2019-08591 In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2)… CVSS 3.0CRITICAL 9.8
- TI-2020-05686 lib-smtp in submission-login and lmtp in Dovecot 2.3.9 before 2.3.9.3 mishandles… CVSS 3.1HIGH 7.5
- TI-2016-07114 The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a… CVSS 3.0MEDIUM 5.9
- TI-2017-10567 Out-of-bounds read in Dovecot CVSS 3.0HIGH 7.1
- TI-2022-12706 An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20. CVSS 3.1HIGH 8.8
- TI-2020-08835 In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP… CVSS 3.1HIGH 7.5
Sources
- CVE-2013-6171 · CVE Program
- CVE-2013-6171 · NVD
- FIRST EPSS
- GHSA-f2q7-xh76-m34j · GitHub Advisory Database · CC BY 4.0
- CVE-2013-6171 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences