CVE-2017-14166 Memory corruption in n/a

What is CVE-2017-14166?

CVE-2017-14166 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 6 Sep 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.

Weakness: CWE-125

Which versions are affected by CVE-2017-14166?

It affects 3 products.

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

How do I fix CVE-2017-14166?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-14166 being exploited?

There is no known exploitation of CVE-2017-14166 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-2017-14166, DEBIAN-CVE-2017-14166, DLA-1092-1, GHSA-2j9p-6c4h-8967, MGASA-2017-0337, UBUNTU-CVE-2017-14166.