CVE-2016-2178 Information disclosure in n/a

What is CVE-2016-2178?

CVE-2016-2178 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 20 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.

Weakness: CWE-203

Which versions are affected by CVE-2016-2178?

It affects 7 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Nodejs Node.js, Openssl Openssl, Oracle Linux, Oracle Solaris and 1 more.

How do I fix CVE-2016-2178?

Upgrade to a fixed version.

Is CVE-2016-2178 being exploited?

There is no known exploitation of CVE-2016-2178 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 ALPINE-CVE-2016-2178, DEBIAN-CVE-2016-2178, GHSA-jhj7-8r7j-mjxf, UBUNTU-CVE-2016-2178.