CVE-2017-15132 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1532768 https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html https://usn.ubuntu.com/3556-1/ https://usn.ubuntu.com/3556-2/ https://www.debian.org/security/2018/dsa-4130 https://www.dovecot.org/list/dovecot-news/2018-February/000370.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5