Medium: python-pillow

Issue Overview:

An issue was discovered in Pillow before 8.2.0. PSDImagePlugin.PsdImageFile lacked a sanity check on the number of input layers relative to the size of the data block. This could lead to a DoS on Image.open prior to Image.load. (CVE-2021-28675)

Affected Packages:

python-pillow

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update python-pillow to update your system.

New Packages:

aarch64:  
    python-pillow-2.0.0-23.gitd1c6db8.amzn2.0.6.aarch64  
    python-pillow-devel-2.0.0-23.gitd1c6db8.amzn2.0.6.aarch64  
    python-pillow-doc-2.0.0-23.gitd1c6db8.amzn2.0.6.aarch64  
    python-pillow-sane-2.0.0-23.gitd1c6db8.amzn2.0.6.aarch64  
    python-pillow-tk-2.0.0-23.gitd1c6db8.amzn2.0.6.aarch64  
    python-pillow-debuginfo-2.0.0-23.gitd1c6db8.amzn2.0.6.aarch64  
  
i686:  
    python-pillow-2.0.0-23.gitd1c6db8.amzn2.0.6.i686  
    python-pillow-devel-2.0.0-23.gitd1c6db8.amzn2.0.6.i686  
    python-pillow-doc-2.0.0-23.gitd1c6db8.amzn2.0.6.i686  
    python-pillow-sane-2.0.0-23.gitd1c6db8.amzn2.0.6.i686  
    python-pillow-tk-2.0.0-23.gitd1c6db8.amzn2.0.6.i686  
    python-pillow-debuginfo-2.0.0-23.gitd1c6db8.amzn2.0.6.i686  
  
src:  
    python-pillow-2.0.0-23.gitd1c6db8.amzn2.0.6.src  
  
x86_64:  
    python-pillow-2.0.0-23.gitd1c6db8.amzn2.0.6.x86_64  
    python-pillow-devel-2.0.0-23.gitd1c6db8.amzn2.0.6.x86_64  
    python-pillow-doc-2.0.0-23.gitd1c6db8.amzn2.0.6.x86_64  
    python-pillow-sane-2.0.0-23.gitd1c6db8.amzn2.0.6.x86_64  
    python-pillow-tk-2.0.0-23.gitd1c6db8.amzn2.0.6.x86_64  
    python-pillow-debuginfo-2.0.0-23.gitd1c6db8.amzn2.0.6.x86_64  

Additional References

Red Hat: CVE-2021-28675

Mitre: CVE-2021-28675