CVE & CISA-KEV Catalog

CVE-2017-15132

HIGHEPSS 87th pctl
7.5
CVSS v3
NVD

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.

CWE-400Resource ExhaustionCWE-772

How to fix

Remediation Available
dovecotDebian
Fixed in:1:2.2.34-1CVE-2017-15132
Fixed in:1:2.2.34-1CVE-2017-15132
Fixed in:1:2.2.34-1CVE-2017-15132
Fixed in:1:2.2.34-1CVE-2017-15132
dovecotUbuntu
Fixed in:1:2.2.9-1ubuntu2.3USN-3556-1
Fixed in:1:2.2.22-1ubuntu2.6USN-3556-1
dovecot-coreUbuntu
Fixed in:1:2.2.9-1ubuntu2.3USN-3556-1
Fixed in:1:2.2.22-1ubuntu2.6USN-3556-1

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

3.12%probability of exploitation in 30 days
87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-44487High7.5100%KEVFix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2011-3192High7.899%-Fix
CVE-2019-11478Medium5.395%-Fix
CVE-2023-21547High7.589%-Fix
CVE-2024-25617Medium5.389%-Fix

Common questions

How do I fix CVE-2017-15132?

Published advisories record a fix for 3 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2017-15132 being actively exploited?

Not that we know of. CVE-2017-15132 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 87% of all scored CVEs.

How severe is CVE-2017-15132?

CVE-2017-15132 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2017-15132 affect?

Published advisories record a fix for dovecot (Debian), dovecot (Ubuntu), dovecot-core (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.