Tuesday, December 13, 2022

[USN-5777-1] Pillow vulnerabilities

==========================================================================
Ubuntu Security Notice USN-5777-1
December 13, 2022

pillow vulnerabilities
==========================================================================

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Pillow.

Software Description:
- pillow: Python Imaging Library

Details:

It was discovered that Pillow incorrectly handled the deletion of temporary
files when using a temporary directory that contains spaces. An attacker
could
possibly use this issue to delete arbitrary files. This issue only affected
Ubuntu 20.04 LTS. (CVE-2022-24303)

It was discovered that Pillow incorrectly handled the decompression of
highly
compressed GIF data. An attacker could possibly use this issue to cause
Pillow
to crash, resulting in a denial of service. (CVE-2022-45198)

Update instructions:

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

Ubuntu 22.04 LTS:
  python3-pil                     9.0.1-1ubuntu0.1

Ubuntu 20.04 LTS:
  python3-pil                     7.0.0-4ubuntu0.7

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

References:
  https://ubuntu.com/security/notices/USN-5777-1
  CVE-2022-24303, CVE-2022-45198

Package Information:
  https://launchpad.net/ubuntu/+source/pillow/9.0.1-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/pillow/7.0.0-4ubuntu0.7

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