CVE-2016-9963
Summary
| CVE | CVE-2016-9963 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-02-01 15:59:00 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.0 5.9 MEDIUM from [email protected]
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Problem Types: CWE-320 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 5.9 | MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| 2.0 | [email protected] | Primary | 2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
HighAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:N/AC:H/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 12.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.10 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Application | Exim | Exim | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.exim.org/static/doc/CVE-2016-9963.txt | af854a3a-2127-422b-91ae-364da2661108 | www.exim.org | Mitigation, Vendor Advisory |
| Bug 1996 – CVE-2016-9963 - DKIM info leak | af854a3a-2127-422b-91ae-364da2661108 | bugs.exim.org | Issue Tracking, Mitigation, Vendor Advisory |
| Debian -- Security Information -- DSA-3747-1 exim4 | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Third Party Advisory |
| USN-3164-1: Exim vulnerability | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| Exim CVE-2016-9963 Unspecified Information Disclosure Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| Exim Flaw Lets Remote Users Obtain Potentially Sensitive Information on the Target System - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.