Missing Release of Resource after Effective Lifetime Affecting dovecot package, versions <1:2.2.9-1ubuntu2.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1404-DOVECOT-324214
- published25 Jan 2018
- disclosed25 Jan 2018
Introduced: 25 Jan 2018
CVE-2017-15132 (opens in a new tab)How to fix?
Upgrade Ubuntu:14.04 dovecot to version 1:2.2.9-1ubuntu2.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dovecot package and not the dovecot package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-15132
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15132
- https://www.debian.org/security/2018/dsa-4130
- https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
- https://security-tracker.debian.org/tracker/CVE-2017-15132
- https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch
- https://www.dovecot.org/list/dovecot-news/2018-February/000370.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1532768
- https://usn.ubuntu.com/3556-1/
- https://usn.ubuntu.com/3556-2/