CVE-2017-14064 Information disclosure in n/a

What is CVE-2017-14064?

CVE-2017-14064 is a critical vulnerability in Canonical Ubuntu Linux, published on 31 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a '\0' byte, returning a pointer to a string of length zero, which is not the length stored in space_len.

Weakness: CWE-119

Which versions are affected by CVE-2017-14064?

It affects 9 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus and 3 more.

How do I fix CVE-2017-14064?

Upgrade to a fixed version.

Is CVE-2017-14064 being exploited?

There is no known exploitation of CVE-2017-14064 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-2017-14064, CLEANSTART-2026-DS52341, GHSA-954h-8gv7-2q75, UBUNTU-CVE-2017-14064.