Vulnerability Description
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.
CVSS Score
5.9
MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dovecot | Dovecot | <= 2.2.16 |
| Fedoraproject | Fedora | 20 |
Related Weaknesses (CWE)
References
- 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
- https://bugzilla.redhat.com/show_bug.cgi?id=1216057Issue TrackingThird Party Advisory
- https://dovecot.org/pipermail/dovecot-news/2015-May/000292.htmlVendor Advisory
- https://dovecot.org/pipermail/dovecot/2015-April/100618.htmlVendor Advisory
- 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
FAQ
What is CVE-2015-3420?
CVE-2015-3420 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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.
How severe is CVE-2015-3420?
CVE-2015-3420 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-3420?
Check the references section above for vendor advisories and patch information. Affected products include: Dovecot Dovecot, Fedoraproject Fedora.