CVE-2017-15132

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.

Categories

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.76% Top 15%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory dovecot.org
Affected: The Dovecot Project dovecot
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2017-15132?
CVE-2017-15132 has been scored as a high severity vulnerability.
How to fix CVE-2017-15132?
To fix CVE-2017-15132, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-15132 being actively exploited in the wild?
It is possible that CVE-2017-15132 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-15132?
CVE-2017-15132 affects The Dovecot Project dovecot.
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