CVE-2018-14939 Memory corruption in n/a
Attackers can cause a denial of service via buffer overflow in LibreOffice when launched with malicious pathnames from a remote website.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-14939?
CVE-2018-14939 is a critical memory corruption vulnerability in Libreoffice Libreoffice, published on 5 Aug 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The get_app_path function in desktop/unx/source/start.c in LibreOffice through 6.0.5 mishandles the realpath function in certain environments such as FreeBSD libc, which might allow attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact if LibreOffice is automatically launched during web browsing with pathnames controlled by a remote web site.
Weakness: CWE-119
Which versions are affected by CVE-2018-14939?
It affects 1 product.
Products include Libreoffice Libreoffice.
How do I fix CVE-2018-14939?
No fix has been published for CVE-2018-14939 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-2018-14939 being exploited?
There is no known exploitation of CVE-2018-14939 in the wild and no public exploit code.
Other vulnerabilities in Libreoffice Libreoffice
Sources
Also known as GHSA-83w8-rxv4-7jg8.