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Dovecot » Dovecot » 2.2.3 : Security Vulnerabilities

Cpe Name:cpe:/a:dovecot:dovecot:2.2.3
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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2019-11500 787 Exec Code 2019-08-29 2019-09-06
None Remote Low Not required Partial Partial Partial
In Dovecot before and 2.3.x before (and Pigeonhole before, protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.
2 CVE-2019-10691 287 2019-04-24 2019-07-12
None Remote Low Not required None None Partial
The JSON encoder in Dovecot before allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username.
3 CVE-2019-7524 119 Overflow 2019-03-28 2019-06-13
None Local Low Not required Complete Complete Complete
In Dovecot before and 2.3.x before, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components.
4 CVE-2019-3814 295 2019-03-27 2019-06-13
None Remote Medium Single system Partial Partial None
It was discovered that Dovecot before versions and 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.
5 CVE-2017-15132 772 2018-01-25 2019-10-09
None Remote Low Not required None None Partial
A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.
6 CVE-2017-15130 DoS 2018-03-02 2019-10-02
None Remote Medium Not required None None Partial
A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.
7 CVE-2014-3430 287 DoS 2014-05-14 2017-12-28
None Remote Low Not required None None Partial
Dovecot 1.1 before 2.2.13 and dovecot-ee before and 2.2.x before does not properly close old connections, which allows remote attackers to cause a denial of service (resource consumption) via an incomplete SSL/TLS handshake for an IMAP/POP3 connection.
8 CVE-2013-6171 287 Bypass 2013-12-09 2018-03-15
None Remote Medium Not required Partial Partial None
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.
Total number of vulnerabilities : 8   Page : 1 (This Page)
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