CVE-2015-8920 Memory corruption in n/a

What is CVE-2015-8920?

CVE-2015-8920 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 20 Sep 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds stack read) via a crafted ar file.

Weakness: CWE-125

Which versions are affected by CVE-2015-8920?

It affects 5 products.

Products include Canonical Ubuntu Linux, Libarchive Libarchive, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Server, Novell Suse Linux Enterprise Software Development Kit.

How do I fix CVE-2015-8920?

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-2015-8920 being exploited?

There is no known exploitation of CVE-2015-8920 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-2015-8920, GHSA-f3p9-58ff-r365, UBUNTU-CVE-2015-8920.