CVE-2015-3420
Dovecot SSLv3 Disable Crash 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.
INFO
Published Date :
Sept. 19, 2017, 3:29 p.m.
Last Modified :
Oct. 5, 2017, 3:17 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2015-3420 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-3420.
| URL | Resource |
|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html | Third Party Advisory |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html | Third Party Advisory |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2015/04/27/1 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2015/04/28/4 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/74335 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=1216057 | Issue Tracking Third Party Advisory |
| https://dovecot.org/pipermail/dovecot-news/2015-May/000292.html | Vendor Advisory |
| https://dovecot.org/pipermail/dovecot/2015-April/100618.html | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-3420 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-3420 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Oct. 05, 2017
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Oct. 04, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2015/04/28/4 No Types Assigned http://www.openwall.com/lists/oss-security/2015/04/28/4 Mailing List, Third Party Advisory Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2015/04/27/1 No Types Assigned http://www.openwall.com/lists/oss-security/2015/04/27/1 Mailing List, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1216057 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1216057 Issue Tracking, Third Party Advisory Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html Third Party Advisory Changed Reference Type https://dovecot.org/pipermail/dovecot/2015-April/100618.html No Types Assigned https://dovecot.org/pipermail/dovecot/2015-April/100618.html Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/74335 No Types Assigned http://www.securityfocus.com/bid/74335 Third Party Advisory, VDB Entry Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html Third Party Advisory Changed Reference Type https://dovecot.org/pipermail/dovecot-news/2015-May/000292.html No Types Assigned https://dovecot.org/pipermail/dovecot-news/2015-May/000292.html Vendor Advisory Added CWE CWE-295 Added CPE Configuration OR *cpe:2.3:a:dovecot:dovecot:2.2.16:*:*:*:*:*:*:* (and previous)
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-3420 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-3420
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.97 }} 0.43%
score
0.91039
percentile