CVE-2016-4804 Memory corruption in n/a

What is CVE-2016-4804?

CVE-2016-4804 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 3 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The read_boot function in boot.c in dosfstools before 4.0 allows attackers to cause a denial of service (crash) via a crafted filesystem, which triggers a heap-based buffer overflow in the (1) read_fat function or an out-of-bounds heap read in (2) get_fat function.

Weakness: CWE-119

Which versions are affected by CVE-2016-4804?

It affects 4 products.

Products include Canonical Ubuntu Linux, Dosfstools Project Dosfstools, Opensuse Leap, Opensuse Opensuse.

How do I fix CVE-2016-4804?

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-2016-4804 being exploited?

There is no known exploitation of CVE-2016-4804 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-2016-4804, GHSA-q73q-vv6v-g3cp, UBUNTU-CVE-2016-4804.