CVE-2018-20213 Denial of service in n/a

High 7.5 Published Updated

Attackers can cause a denial of service via a segmentation fault in libexcel by providing a long worksheet name.

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-2018-20213?

CVE-2018-20213 is a high-severity denial of service vulnerability in n/a, published on 18 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

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 name. NOTE: this is not a Microsoft product.

Weakness: CWE-119

Which versions are affected by CVE-2018-20213?

It affects 1 product.

Products include Libexcel Project Libexcel.

How do I fix CVE-2018-20213?

No fix has been published for CVE-2018-20213 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-2018-20213 being exploited?

There is no known exploitation of CVE-2018-20213 in the wild and no public exploit code.

Sources

Also known as GHSA-35mf-cxwv-h9xm.

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