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Ubuntu Security Notice USN-4277-1

Ubuntu Security Notice USN-4277-1
Posted Feb 12, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4277-1 - Liu Bingchang discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information or cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS. Lili Xu and Bingchang Liu discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information or cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2016-6328, CVE-2017-7544, CVE-2019-9278
MD5 | 27b27fb74cbbfcb729dd341b07fc9202

Ubuntu Security Notice USN-4277-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4277-1
February 11, 2020

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

- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in libexif.

Software Description:
- libexif: library to parse EXIF files

Details:

Liu Bingchang discovered that libexif incorrectly handled certain files.
An attacker could possibly use this issue to access sensitive information or
cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and
Ubuntu 16.04 LTS. (CVE-2016-6328)

Lili Xu and Bingchang Liu discovered that libexif incorrectly handled certain files.
An attacker could possibly use this issue to access sensitive information or cause
a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and
Ubuntu 16.04 LTS. (CVE-2017-7544)

It was discovered that libexif incorrectly handled certain files. An attacker could
possibly use this issue to execute arbitrary code. (CVE-2019-9278)

Update instructions:

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

Ubuntu 19.10:
libexif12 0.6.21-5.1ubuntu0.1

Ubuntu 18.04 LTS:
libexif12 0.6.21-4ubuntu0.1

Ubuntu 16.04 LTS:
libexif12 0.6.21-2ubuntu0.1

Ubuntu 14.04 ESM:
libexif12 0.6.21-1ubuntu1+esm1

Ubuntu 12.04 ESM:
libexif12 0.6.20-2ubuntu0.2

After a standard system update you need to restart your session to effect the necessary
changes.

References:
https://usn.ubuntu.com/4277-1
CVE-2016-6328, CVE-2017-7544, CVE-2019-9278

Package Information:
https://launchpad.net/ubuntu/+source/libexif/0.6.21-5.1ubuntu0.1
https://launchpad.net/ubuntu/+source/libexif/0.6.21-4ubuntu0.1
https://launchpad.net/ubuntu/+source/libexif/0.6.21-2ubuntu0.1
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