CVE-2018-16789: High severity shellinabox vulnerability

Published Mar 17, 2019
·
Updated

libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.

Affected Software

1 affected component
Shellinabox Project Shellinabox<=2.20

Event History

Mar 17, 2019
CVE Published
via MITRE·06:36 PM
Data Sourced
via MITRE·06:36 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2018-16789?

CVE-2018-16789 is classified as a denial of service vulnerability.

2

How do I fix CVE-2018-16789?

To mitigate CVE-2018-16789, update Shellinabox to a version later than 2.20.

3

What impact does CVE-2018-16789 have?

CVE-2018-16789 can cause Shellinabox to enter an infinite loop, exhausting CPU resources and bringing down the service.

4

In which versions of Shellinabox does CVE-2018-16789 affect?

CVE-2018-16789 affects all versions of Shellinabox up to and including 2.20.

5

What specific component is vulnerable in CVE-2018-16789?

The vulnerability in CVE-2018-16789 resides in the HTTP request parsing logic of libhttp/url.c.

Contact

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