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Ubuntu 19.10, 18.04 LTS, 16.04 LTS: USN-4277-1 Libexif Vulnerabilities

ubuntu
Calendar Grey February 11, 2020
Dist Ubuntu Esm H88
Multiple vulnerabilities have been addressed in libexif that affect Ubuntu systems. Ensure your systems are updated for enhanced security.
Several security issues were fixed in libexif.

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)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu information disclosure libexif

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://ubuntu.com/security/notices/USN-4277-1

CVE-2016-6328, CVE-2017-7544, CVE-2019-9278

Severity
important
Lowest
Low
Medium
High
Critical

February 11, 2020

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu information disclosure libexif

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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