What is the severity of USN-3546-1?

The severity of USN-3546-1 is categorized as important due to the denial of service vulnerability.

How do I fix USN-3546-1?

To fix USN-3546-1, update to gcab version 0.7-4ubuntu0.1 or libgcab-1.0-0 version 0.7-4ubuntu0.1 for Ubuntu 17.10 and to versions 0.7-1ubuntu0.1 for Ubuntu 16.04.

Which Ubuntu versions are affected by USN-3546-1?

USN-3546-1 affects Ubuntu 16.04 and 17.10 specifically for the gcab and libgcab packages.

What risks are associated with USN-3546-1?

The risks associated with USN-3546-1 include potential denial of service from crashing the gcab application via specially crafted cabinet files.

Who discovered the vulnerability in USN-3546-1?

The vulnerability in USN-3546-1 was discovered by Richard Hughes.

Vulnerability/
USN-3546-1

24/1/2018

USN-3546-1: gcab vulnerability

First published: Wed Jan 24 2018(Updated: )

Richard Hughes discovered that gcab incorrectly handled certain malformed cabinet files. If a user or automated system were tricked into opening a specially crafted cabinet file, a remote attacker could use this issue to cause gcab to crash, resulting in a denial of service, or possibly execute arbitrary code.

Affected Software	Affected Version	How to fix
All of
ubuntu/gcab	<0.7-4ubuntu0.1	0.7-4ubuntu0.1
Ubuntu	=17.10
All of
ubuntu/libgcab-1.0-0	<0.7-4ubuntu0.1	0.7-4ubuntu0.1
Ubuntu	=17.10
All of
ubuntu/gcab	<0.7-1ubuntu0.1	0.7-1ubuntu0.1
Ubuntu	=16.04
All of
ubuntu/libgcab-1.0-0	<0.7-1ubuntu0.1	0.7-1ubuntu0.1
Ubuntu	=16.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2018-5345

Frequently Asked Questions

What is the severity of USN-3546-1?
The severity of USN-3546-1 is categorized as important due to the denial of service vulnerability.
How do I fix USN-3546-1?
To fix USN-3546-1, update to gcab version 0.7-4ubuntu0.1 or libgcab-1.0-0 version 0.7-4ubuntu0.1 for Ubuntu 17.10 and to versions 0.7-1ubuntu0.1 for Ubuntu 16.04.
Which Ubuntu versions are affected by USN-3546-1?
USN-3546-1 affects Ubuntu 16.04 and 17.10 specifically for the gcab and libgcab packages.
What risks are associated with USN-3546-1?
The risks associated with USN-3546-1 include potential denial of service from crashing the gcab application via specially crafted cabinet files.
Who discovered the vulnerability in USN-3546-1?
The vulnerability in USN-3546-1 was discovered by Richard Hughes.

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