CVE-2016-2107 Information disclosure in n/a

What is CVE-2016-2107?

CVE-2016-2107 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 5 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The AES-NI implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h does not consider memory allocation during a certain padding check, which allows remote attackers to obtain sensitive cleartext information via a padding-oracle attack against an AES CBC session. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-0169.

Weakness: CWE-310, CWE-200

Which versions are affected by CVE-2016-2107?

It affects 15 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Google Android, Hp Helion Openstack, Nodejs Node.js, Openssl Openssl and 9 more.

How do I fix CVE-2016-2107?

Upgrade to a fixed version.

Is CVE-2016-2107 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-2107 exists.

Public exploit code: 1 Exploit-DB entry and 2 proofs of concept on GitHub.

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-2016-2107, DEBIAN-CVE-2016-2107, GHSA-3gm7-8cfv-p8h9, UBUNTU-CVE-2016-2107.