CVE-2016-9963
First published: Wed Feb 01 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| sa-exim | <=4.87 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =16.10 | |
| Debian | =8.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-9963?
CVE-2016-9963 has a medium severity rating due to the potential exposure of sensitive cryptographic material.
How do I fix CVE-2016-9963?
To fix CVE-2016-9963, upgrade Exim to version 4.87.1 or later.
What types of systems are affected by CVE-2016-9963?
CVE-2016-9963 affects Exim versions prior to 4.87.1 and various Ubuntu and Debian Linux versions.
Can CVE-2016-9963 lead to remote attacks?
Yes, CVE-2016-9963 allows remote attackers to potentially obtain the private DKIM signing key.
Is CVE-2016-9963 related to email security?
Yes, CVE-2016-9963 is related to email security as it involves the exposure of DKIM signing keys used in email validation.
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- agent/software-canonical-lookup-request
- agent/softwarecombine
- vendor/exim
- canonical/sa-exim
- version/sa-exim/4.87
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/12.04
- version/ubuntu/14.04
- version/ubuntu/16.04
- version/ubuntu/16.10
- vendor/debian
- canonical/debian
- version/debian/8.0