USN-4941-1: Exiv2 vulnerabilities

Releases

• Ubuntu 21.04
• Ubuntu 20.10
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• exiv2 - EXIF/IPTC/XMP metadata manipulation tool

Details

It was discovered that Exiv2 incorrectly handled certain images.
An attacker could possibly use this issue to execute arbitrary code or cause
a crash. (CVE-2021-29457)

It was discovered that Exiv2 incorrectly handled certain images.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2021-29458, CVE-2021-29470)

It was discovered that Exiv2 incorrectly handled certain images.
An attacker could possibly use this issue to execute arbitrary code or
cause a crash. (CVE-2021-3482)

Update instructions

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

Ubuntu 21.04

• libexiv2-27 - 0.27.3-3ubuntu1.1

Ubuntu 20.10

• libexiv2-27 - 0.27.3-3ubuntu0.2

Ubuntu 20.04

• libexiv2-27 - 0.27.2-8ubuntu2.2

Ubuntu 18.04

• libexiv2-14 - 0.25-3.1ubuntu0.18.04.7

Ubuntu 16.04

• libexiv2-14 - 0.25-2.1ubuntu16.04.7+esm1
  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

• CVE-2021-29458
• CVE-2021-3482
• CVE-2021-29470
• CVE-2021-29457