Home/CVE/The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial
CVE

CVE-2016-8652

The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial

The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.

MEDIUM · CVSS 5.9 EPSS 0.09423
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  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
dovecot<= 2.2.27
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Feb 2017 · 02:59 AM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://dovecot.org/pipermail/dovecot-news/2016-December/000333.htmlRelease NotesVendor Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/4Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/05/12Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/94639Third Party AdvisoryVDB Entry
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