CVE-2018-20253 Memory corruption in WinRAR
Attackers can execute arbitrary code by tricking users into opening a malicious LHA/LZH archive 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-2018-20253?
CVE-2018-20253 is a high-severity memory corruption vulnerability in Check Point Software Technologies Ltd. WinRAR, published on 13 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 a crafted LHA / LZH 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-2018-20253?
It affects 1 product.
Products include Rarlab Winrar.
How do I fix CVE-2018-20253?
No fix has been published for CVE-2018-20253 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-2018-20253 being exploited?
There is no known exploitation of CVE-2018-20253 in the wild and no public exploit code.
Other vulnerabilities in Check Point Software Technologies Ltd. WinRAR
Sources
Also known as GHSA-rc2h-948p-g7mf.