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Ubuntu Security Notice USN-4697-2

Ubuntu Security Notice USN-4697-2
Posted Jan 20, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4697-2 - USN-4697-1 fixed several vulnerabilities in Pillow. This update provides the corresponding update for Ubuntu 14.04 ESM. It was discovered that Pillow incorrectly handled certain PCX image files. If a user or automated system were tricked into opening a specially-crafted PCX file, a remote attacker could possibly cause Pillow to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2020-10177, CVE-2020-35653
MD5 | 710757898267e7364668015c59fe295c

Ubuntu Security Notice USN-4697-2

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4697-2
January 20, 2021

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

- Ubuntu 14.04 ESM

Summary:

Pillow could be made to crash or run programs as your login if it opened a
specially crafted file.

Software Description:
- pillow: Python Imaging Library

Details:

USN-4697-1 fixed several vulnerabilities in Pillow. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Pillow incorrectly handled certain PCX image files.
If a user or automated system were tricked into opening a specially-crafted
PCX file, a remote attacker could possibly cause Pillow to crash,
resulting in a denial of service. (CVE-2020-35653)

It was discovered that Pillow incorrectly handled certain image files. If
a user or automated system were tricked into opening a specially-crafted
image file, a remote attacker could possibly cause Pillow to crash,
resulting in a denial of service. (CVE-2020-10177)

Update instructions:

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

Ubuntu 14.04 ESM:
python-pil 2.3.0-1ubuntu3.4+esm2
python3-pil 2.3.0-1ubuntu3.4+esm2

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

References:
https://usn.ubuntu.com/4697-2
https://usn.ubuntu.com/4697-1
CVE-2020-10177, CVE-2020-35653
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