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.
2019-03-27T13:29:01.337
2024-11-21T04:42:35.823
Modified
CVSSv3.0: 7.7 (HIGH)
AV:N/AC:M/Au:S/C:P/I:P/A:N
6.8
4.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | dovecot | dovecot | < 2.2.36.1 | Yes |
Application | dovecot | dovecot | < 2.3.4.1 | Yes |
Operating System | canonical | ubuntu_linux | 12.04 | Yes |
Operating System | canonical | ubuntu_linux | 14.04 | Yes |
Operating System | canonical | ubuntu_linux | 16.04 | Yes |
Operating System | canonical | ubuntu_linux | 18.04 | Yes |
Operating System | canonical | ubuntu_linux | 18.10 | Yes |
Operating System | opensuse | leap | 42.3 | Yes |