Description
It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
CVSS Metrics
- Vector
- CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
- Attack Vector
- network
- Complexity
- high
- Privileges
- high
- User Action
- none
- Scope
- changed
- Confidentiality
- high
- Integrity
- high
- Availability
- none
- Weaknesses
- CWE-295CWE-295
Metadata
- Primary Vendor
- DOVECOT
- Published
- 3/27/2019
- Last Modified
- 11/21/2024
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
dovecot : dovecotdovecot : dovecotcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxopensuse : leap
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