Summary
USN-4456-1 fixed several vulnerabilities in Dovecot. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Dovecot incorrectly handled deeply nested MIME
parts. A remote attacker could possibly use this issue to cause Dovecot to
consume resources, resulting in a denial of service. (CVE-2020-12100)
It was discovered that Dovecot incorrectly handled memory when using NTLM.
A remote attacker could possibly use this issue to cause Dovecot to crash,
resulting in a denial of service. (CVE-2020-12673)
It was discovered that the Dovecot RPA mechanism incorrectly handled
zero-length messages. A remote attacker could possibly use this issue to
cause Dovecot to crash, resulting in a denial of service. (CVE-2020-12674)
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | dovecot | 1:2.2.9-1ubuntu2.6+esm3 |
Vulnerabilities 3
-
Unscored —
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a deni…
-
Unscored —
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of…
-
Unscored —
In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of z…