Vulnerability Details : CVE-2016-9963
Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages.
Products affected by CVE-2016-9963
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*
- cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
Threat overview for CVE-2016-9963
Top countries where our scanners detected CVE-2016-9963
Top open port discovered on systems with this issue
80
IPs affected by CVE-2016-9963 13,986
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2016-9963!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2016-9963
0.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-9963
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.6
|
LOW | AV:N/AC:H/Au:N/C:P/I:N/A:N |
4.9
|
2.9
|
NIST | |
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2016-9963
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-9963
-
http://www.exim.org/static/doc/CVE-2016-9963.txt
Mitigation;Vendor Advisory
-
http://www.securityfocus.com/bid/94947
Exim CVE-2016-9963 Unspecified Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
-
http://www.ubuntu.com/usn/USN-3164-1
USN-3164-1: Exim vulnerability | Ubuntu security noticesThird Party Advisory
-
http://www.debian.org/security/2016/dsa-3747
Debian -- Security Information -- DSA-3747-1 exim4Third Party Advisory
-
http://www.securitytracker.com/id/1037484
Exim Flaw Lets Remote Users Obtain Potentially Sensitive Information on the Target System - SecurityTrackerThird Party Advisory;VDB Entry
-
https://bugs.exim.org/show_bug.cgi?id=1996
Bug 1996 – CVE-2016-9963 - DKIM info leakIssue Tracking;Mitigation;Vendor Advisory
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