CVE-2016-4300 Integer overflow in n/a
Remote attackers can execute arbitrary code via a crafted 7zip file due to an integer overflow leading to heap corruption in libarchive.
- 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-2016-4300?
CVE-2016-4300 is a high-severity vulnerability in Libarchive Libarchive, published on 21 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
Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large number of substreams, which triggers a heap-based buffer overflow.
Weakness: CWE-190
Which versions are affected by CVE-2016-4300?
It affects 8 products.
Products include Libarchive Libarchive, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Hpc Node Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 2 more.
How do I fix CVE-2016-4300?
Upgrade to a fixed version.
Is CVE-2016-4300 being exploited?
There is no known exploitation of CVE-2016-4300 in the wild and no public exploit code.
Other vulnerabilities in Libarchive Libarchive
Sources
Also known as ALPINE-CVE-2016-4300, DEBIAN-CVE-2016-4300, GHSA-6qg7-x2gx-6jfr, UBUNTU-CVE-2016-4300.