CVE-2016-8569 Null dereference in n/a

Medium 5.5 Published Updated

Remote attackers can cause a denial of service in libgit2 via a crafted object file processed by the cat-file command.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2016-8569?

CVE-2016-8569 is a medium-severity vulnerability in Fedoraproject Fedora, published on 3 Feb 2017. 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 git_oid_nfmt function in commit.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a cat-file command with a crafted object file.

Weakness: CWE-476

Which versions are affected by CVE-2016-8569?

It affects 5 products.

Products include Fedoraproject Fedora, Libgit2 Project Libgit2, Opensuse Leap, Opensuse Opensuse, Suse Linux Enterprise.

How do I fix CVE-2016-8569?

Upgrade to a fixed version.

Is CVE-2016-8569 being exploited?

There is no known exploitation of CVE-2016-8569 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as ALPINE-CVE-2016-8569, DEBIAN-CVE-2016-8569, GHSA-m99c-3xxj-4mxh, UBUNTU-CVE-2016-8569.

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