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Ubuntu Security Notice USN-4270-1

Ubuntu Security Notice USN-4270-1
Posted Feb 6, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4270-1 - It was discovered that Exiv2 incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2019-20421
SHA-256 | b0d78331ca462246ce1677858af1446cb450a6bec2a0e385f7e67d4f7af53577

Ubuntu Security Notice USN-4270-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4270-1
February 05, 2020

exiv2 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Exiv2 could be made to crash if it opened a specially crafted image.

Software Description:
- exiv2: EXIF/IPTC/XMP metadata manipulation tool

Details:

It was discovered that Exiv2 incorrectly handled certain images.
An attacker could possibly use this issue to cause a denial of service.

Update instructions:

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

Ubuntu 19.10:
exiv2 0.25-4ubuntu2.2
libexiv2-14 0.25-4ubuntu2.2

Ubuntu 18.04 LTS:
exiv2 0.25-3.1ubuntu0.18.04.5
libexiv2-14 0.25-3.1ubuntu0.18.04.5

Ubuntu 16.04 LTS:
exiv2 0.25-2.1ubuntu16.04.6
libexiv2-14 0.25-2.1ubuntu16.04.6

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

References:
https://usn.ubuntu.com/4270-1
CVE-2019-20421

Package Information:
https://launchpad.net/ubuntu/+source/exiv2/0.25-4ubuntu2.2
https://launchpad.net/ubuntu/+source/exiv2/0.25-3.1ubuntu0.18.04.5
https://launchpad.net/ubuntu/+source/exiv2/0.25-2.1ubuntu16.04.6
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