CVE-2015-3420
UnknownEPSS 2.84%
Last modified
CVE-2015-3420 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.84% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dovecot | Dovecot | <= 2.2.16 |
| Fedoraproject | Fedora | 20 |
| Fedoraproject | Fedora | 21 |
| Fedoraproject | Fedora | 22 |
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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/04/28/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/74335Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1216057Issue Tracking, Third Party 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/04/28/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/74335Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1216057Issue Tracking, Third Party Advisory
- https://dovecot.org/pipermail/dovecot/2015-April/100618.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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 denial of service (login process crash) via vectors related to handshake failures.
How severe is CVE-2015-3420?
Severity scoring for CVE-2015-3420 is pending analysis. The EPSS model estimates a 2.84% probability of exploitation in the next 30 days.
How do I fix CVE-2015-3420?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-3420?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST