CVE-2016-9963 Information disclosure in n/a

What is CVE-2016-9963?

CVE-2016-9963 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 1 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-320

Which versions are affected by CVE-2016-9963?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Exim Exim.

How do I fix CVE-2016-9963?

Upgrade to a fixed version.

Is CVE-2016-9963 being exploited?

There is no known exploitation of CVE-2016-9963 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-9963, DLA-762-1, DSA-3747-1, GHSA-qf64-f8r5-29m4, UBUNTU-CVE-2016-9963, USN-3164-1.