CVE-2014-8140 Memory corruption in UnZip
Remote attackers can execute arbitrary code via a crafted zip file processed by the unzip command's test function.
- 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-2014-8140?
CVE-2014-8140 is a high-severity memory corruption vulnerability in Redhat Enterprise Linux Desktop, published on 31 Jan 2020. 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
Heap-based buffer overflow in the test_compr_eb function in Info-ZIP UnZip 6.0 and earlier allows remote attackers to execute arbitrary code via a crafted zip file in the -t command argument to the unzip command.
Weakness: CWE-787
Which versions are affected by CVE-2014-8140?
It affects 7 products.
Products include Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Server Tus, Redhat Enterprise Linux Workstation and 1 more.
How do I fix CVE-2014-8140?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2014-8140 being exploited?
There is no known exploitation of CVE-2014-8140 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux Desktop
Sources
Also known as ALPINE-CVE-2014-8140, AZL-35332, AZL-6934, DEBIAN-CVE-2014-8140, GHSA-fhf3-rjhh-4c23, UBUNTU-CVE-2014-8140.