Ubuntu Security Update USN-4396-1: libexif vulnerabilities

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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


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