High severity · published Jan 25, 2018
CVE-2017-15132
A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0
7.5
CVSS
3.1%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0; 9.0 · source: NVD
DO
Dovecot · Dovecot
2.0.0 through 2.2.33; 2.3.0 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04; 17.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15132
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-15132
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1532768
Patch
https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch
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
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