CVE-2017-20006 Memory corruption in n/a
A heap-based buffer overflow in the UnRAR library allows attackers to execute arbitrary code or cause a denial of service via crafted RAR archives.
- 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-2017-20006?
CVE-2017-20006 is a high-severity memory corruption vulnerability in n/a, published on 1 Jul 2021. 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
UnRAR 5.6.1.2 and 5.6.1.3 has a heap-based buffer overflow in Unpack::CopyString (called from Unpack::Unpack5 and CmdExtract::ExtractCurrentFile).
Weakness: CWE-787
Which versions are affected by CVE-2017-20006?
It affects 1 product.
Products include Rarlab Unrar.
How do I fix CVE-2017-20006?
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-2017-20006 being exploited?
There is no known exploitation of CVE-2017-20006 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-20006, GHSA-pwpf-mf84-2wmh, UBUNTU-CVE-2017-20006.