1. Ubuntu Security Notices
  2. USN-4794-1

USN-4794-1: libupnp vulnerabilities

Publication date

15 March 2021

Overview

Several security issues were fixed in libupnp.

Releases

Packages

  • libupnp - A Portable Open Source UPnP Development Kit

Details

Matthew Garrett discovered that libupnp mishandled POST requests by
default. An attacker could use this vulnerability to write files to
arbitrary locations in the victim’s filesystem, possibly as root.
(CVE-2016-6255)

It was discovered that libupnp mishandled certain input. A remote attacker
could use this vulnerability to cause a denial of service (crash) or
possibly execute arbitrary code. (CVE-2016-8863)

Matthew Garrett discovered that libupnp mishandled POST requests by
default. An attacker could use this vulnerability to write files to
arbitrary locations in the victim’s filesystem, possibly as root.
(CVE-2016-6255)

It was discovered that libupnp mishandled certain input. A remote attacker
could use this vulnerability to cause a denial of service (crash) or
possibly execute arbitrary code. (CVE-2016-8863)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
16.04 xenial libupnp6 –  1:1.6.19+git20160116-1ubuntu0.1~esm1  

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References

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