USN-4396-1: libexif vulnerabilities

libexif vulnerabilities

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

Ubuntu 20.04 LTS
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

It was discovered that libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2020-0093, CVE-2020-0182)

It was discovered that libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a remote denial of service.
(CVE-2020-0198)

It was discovered that libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to expose sensitive information or
cause a crash. (CVE-2020-13112)

It was discovered that libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash.
(CVE-2020-13113)

It was discovered libexif incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-13114)

Update instructions

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

Ubuntu 20.04 LTS: libexif12 – 0.6.21-6ubuntu0.3
Ubuntu 19.10: libexif12 – 0.6.21-5.1ubuntu0.5
Ubuntu 18.04 LTS: libexif12 – 0.6.21-4ubuntu0.5
Ubuntu 16.04 LTS: libexif12 – 0.6.21-2ubuntu0.5
Ubuntu 14.04 ESM: libexif12 – 0.6.21-1ubuntu1+esm5
Ubuntu 12.04 ESM: libexif12 – 0.6.20-2ubuntu0.6

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-4396-1: libexif vulnerabilities

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