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Ubuntu Security Notice USN-5227-1

Ubuntu Security Notice USN-5227-1
Posted Jan 13, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5227-1 - It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted file, a remote attacker could cause Pillow to hang, resulting in a denial of service. It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted file, a remote attacker could cause Pillow to crash, resulting in a denial of service. This issue ony affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.04.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2021-23437, CVE-2021-34552, CVE-2022-22815, CVE-2022-22816, CVE-2022-22817
SHA-256 | e153ce77b95ef84831e401c530f510fa66c280803862ddaf1ee1e621fa43d04f

Ubuntu Security Notice USN-5227-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5227-1
January 13, 2022

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

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

- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Pillow.

Software Description:
- pillow: Python Imaging Library

Details:

It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to hang, resulting in a denial
of service. (CVE-2021-23437)

It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to crash, resulting in a denial
of service. This issue ony affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and
Ubuntu 21.04. (CVE-2021-34552)

It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to crash, resulting in a denial
of service, or possibly execute arbitrary code. (CVE-2022-22815)

It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to crash, resulting in a denial
of service. (CVE-2022-22816)

It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to crash, resulting in a denial
of service, or possibly execute arbitrary code. (CVE-2022-22817)

Update instructions:

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

Ubuntu 21.10:
python3-pil 8.1.2+dfsg-0.3ubuntu0.1

Ubuntu 21.04:
python3-pil 8.1.2-1ubuntu0.2

Ubuntu 20.04 LTS:
python3-pil 7.0.0-4ubuntu0.5

Ubuntu 18.04 LTS:
python-pil 5.1.0-1ubuntu0.7
python3-pil 5.1.0-1ubuntu0.7

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

References:
https://ubuntu.com/security/notices/USN-5227-1
CVE-2021-23437, CVE-2021-34552, CVE-2022-22815, CVE-2022-22816,
CVE-2022-22817

Package Information:
https://launchpad.net/ubuntu/+source/pillow/8.1.2+dfsg-0.3ubuntu0.1
https://launchpad.net/ubuntu/+source/pillow/8.1.2-1ubuntu0.2
https://launchpad.net/ubuntu/+source/pillow/7.0.0-4ubuntu0.5
https://launchpad.net/ubuntu/+source/pillow/5.1.0-1ubuntu0.7
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