CVE-2015-7687
OpenSMTPD Use-after-free Remote Code Execution
Description
Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.
INFO
Published Date :
Oct. 16, 2017, 6:29 p.m.
Last Modified :
Nov. 1, 2017, 11:50 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2015-7687.
| URL | Resource |
|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html | Third Party Advisory |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2015/10/03/1 | Mailing List Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/76975 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=1268793 | Issue Tracking Third Party Advisory VDB Entry |
| https://www.opensmtpd.org/announces/release-5.7.2.txt | Release Notes Vendor Advisory |
| https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt | Exploit Technical Description Third Party 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-7687 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-7687 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 -
Initial Analysis by [email protected]
Nov. 01, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html Third Party Advisory Changed Reference Type https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt No Types Assigned https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt Exploit, Technical Description, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1268793 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1268793 Issue Tracking, Third Party Advisory, VDB Entry Changed Reference Type http://www.openwall.com/lists/oss-security/2015/10/03/1 No Types Assigned http://www.openwall.com/lists/oss-security/2015/10/03/1 Mailing List, Third Party Advisory, VDB Entry Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/76975 No Types Assigned http://www.securityfocus.com/bid/76975 Third Party Advisory, VDB Entry Changed Reference Type https://www.opensmtpd.org/announces/release-5.7.2.txt No Types Assigned https://www.opensmtpd.org/announces/release-5.7.2.txt Release Notes, Vendor Advisory Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:a:openbsd:opensmtpd:5.7.1:*:*:*:*:*:*:* (and previous) Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-7687 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-2015-7687
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.78 }} 0.03%
score
0.79274
percentile