CVE-2017-15132

moderate-risk
Published 2018-01-25

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.

Do I need to act?

~
4.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (9)

Affected Vendors

Debian Canonical Dovecot

References (14)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1532768
Patch https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060....
Mailing List https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
Third Party Advisory https://usn.ubuntu.com/3556-1/
Third Party Advisory https://usn.ubuntu.com/3556-2/
Third Party Advisory https://www.debian.org/security/2018/dsa-4130
Vendor Advisory https://www.dovecot.org/list/dovecot-news/2018-February/000370.html
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1532768
Patch https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060....
Mailing List https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
Third Party Advisory https://usn.ubuntu.com/3556-1/
Third Party Advisory https://usn.ubuntu.com/3556-2/
Third Party Advisory https://www.debian.org/security/2018/dsa-4130
Vendor Advisory https://www.dovecot.org/list/dovecot-news/2018-February/000370.html
49
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 8/34 · Low
Exposure 15/34 · Moderate