CVE-2018-20304 Denial of service in n/a
Attackers can cause a denial of service via a segmentation fault in libexcel by providing a long argument to wbook_addworksheet.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-20304?
CVE-2018-20304 is a medium-severity denial of service vulnerability in n/a, published on 20 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long second argument. NOTE: this is not a Microsoft product.
Weakness: CWE-119
Which versions are affected by CVE-2018-20304?
It affects 1 product.
Products include Libexcel Project Libexcel.
How do I fix CVE-2018-20304?
No fix has been published for CVE-2018-20304 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-20304 being exploited?
There is no known exploitation of CVE-2018-20304 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-88pf-8p2q-mgcj.