USN-5227-3: Pillow vulnerability
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Ubuntu Security Notice USN-5227-3
October 24, 2022
pillow vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
An incomplete fix was discovered in Pillow.
Software Description:
- pillow: Python Imaging Library
Details:
USN-5227-1 fixed vulnerabilities in Pillow. It was discovered that the fix
for CVE-2022-22817 was incomplete. This update fixes the problem.
Original advisory 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 20.04 LTS:
python3-pil 7.0.0-4ubuntu0.6
Ubuntu 18.04 LTS:
python-pil 5.1.0-1ubuntu0.8
python3-pil 5.1.0-1ubuntu0.8
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5227-3
https://ubuntu.com/security/notices/USN-5227-1
CVE-2022-22817
Package Information:
https://launchpad.net/ubuntu/+source/pillow/7.0.0-4ubuntu0.6
https://launchpad.net/ubuntu/+source/pillow/5.1.0-1ubuntu0.8
A Pillow security update has been released for Ubuntu Linux 18.04 and 20.04 LTS.
