CVE-2016-0705 Use after free in n/a

What is CVE-2016-0705?

CVE-2016-0705 is a critical use after free vulnerability in Canonical Ubuntu Linux, published on 3 Mar 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Double free vulnerability in the dsa_priv_decode function in crypto/dsa/dsa_ameth.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a malformed DSA private key.

Which versions are affected by CVE-2016-0705?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Google Android, Openssl Openssl, Oracle Mysql.

How do I fix CVE-2016-0705?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-0705 being exploited?

There is no known exploitation of CVE-2016-0705 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-2016-0705, GHSA-jq9m-v5x9-ppg9, UBUNTU-CVE-2016-0705.