CVE-2018-20252 Memory corruption in WinRAR
Attackers can execute arbitrary code by tricking users into opening malicious ACE or RAR archives in WinRAR.
- 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
- None listed
What is CVE-2018-20252?
CVE-2018-20252 is a high-severity memory corruption vulnerability in Check Point Software Technologies Ltd. WinRAR, published on 5 Feb 2019. 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
In WinRAR versions prior to and including 5.60, there is an out-of-bounds write vulnerability during parsing of crafted ACE and RAR archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Weakness: CWE-787
Which versions are affected by CVE-2018-20252?
It affects 1 product.
Products include Rarlab Winrar.
How do I fix CVE-2018-20252?
No fix has been published for CVE-2018-20252 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-20252 being exploited?
There is no known exploitation of CVE-2018-20252 in the wild and no public exploit code.
Other vulnerabilities in Check Point Software Technologies Ltd. WinRAR
Sources
Also known as GHSA-3935-5wqm-4j94.