Home/CVE/The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a den
CVE

CVE-2015-3420

The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a den

The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a denial of service (login process crash) via vectors related to handshake failures.

MEDIUM · CVSS 5.9 EPSS 0.07633
Monitor
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
▤

Affected Products & Versions

2
dovecot<= 2.2.16
fedoraproject fedoraall versions
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.0 · cve@mitre.org
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 NVD19 Sep 2017 · 03:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/27/1Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/28/4Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/74335Third Party AdvisoryVDB Entry
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