Description
Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver.
CVSS Metrics
- Vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
- Attack Vector
- local
- Complexity
- high
- Privileges
- low
- User Action
- none
- Scope
- changed
- Confidentiality
- high
- Integrity
- high
- Availability
- none
- Weaknesses
- CWE-22
Metadata
- Primary Vendor
- DOVECOT
- Published
- 6/28/2021
- Last Modified
- 11/21/2024
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
dovecot : dovecotfedoraproject : fedorafedoraproject : fedora
AI-Powered Remediation
Generate remediation guidance or a C-suite brief for this vulnerability.