CVE-2017-15132

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 v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1532768	Issue Tracking Patch Third Party Advisory
https://www.debian.org/security/2018/dsa-4130	Third Party Advisory
https://www.dovecot.org/list/dovecot-news/2018-February/000370.html	Vendor Advisory
https://usn.ubuntu.com/3556-2/	Third Party Advisory
https://usn.ubuntu.com/3556-1/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:dovecot:dovecot:2.3.0:::::::*
	cpe:2.3:a:dovecot:dovecot::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:7.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*

Information

Published : 2018-01-25 12:29

Updated : 2019-10-09 16:24

NVD link : CVE-2017-15132

Mitre link : CVE-2017-15132

JSON object : View

CWE

CWE-772

Missing Release of Resource after Effective Lifetime

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Products Affected

debian

debian_linux

canonical

ubuntu_linux

dovecot

dovecot

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