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Ubuntu Security Notice USN-4396-1

Ubuntu Security Notice USN-4396-1
Posted Jun 16, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4396-1 - It was discovered that libexif incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. It was discovered that libexif incorrectly handled certain inputs. An attacker could possibly use this issue to cause a remote denial of service. It was discovered that libexif incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information or cause a crash. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-0093, CVE-2020-0198, CVE-2020-13112, CVE-2020-13113, CVE-2020-13114
MD5 | 466748276da154c4e747a60f437d13cf

Ubuntu Security Notice USN-4396-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4396-1
June 16, 2020

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

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

References:
https://usn.ubuntu.com/4396-1
CVE-2020-0093, CVE-2020-0182, CVE-2020-0198, CVE-2020-13112,
CVE-2020-13113, CVE-2020-13114

Package Information:
https://launchpad.net/ubuntu/+source/libexif/0.6.21-6ubuntu0.3
https://launchpad.net/ubuntu/+source/libexif/0.6.21-5.1ubuntu0.5
https://launchpad.net/ubuntu/+source/libexif/0.6.21-4ubuntu0.5
https://launchpad.net/ubuntu/+source/libexif/0.6.21-2ubuntu0.5
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