Medium: protobuf

Issue Overview:

A flaw was found in protobuf. The vulnerability occurs due to incorrect parsing of a NULL character in the proto symbol and leads to a Null pointer dereference. This flaw allows an attacker to execute unauthorized code or commands, read memory, modify memory. (CVE-2021-22570)

Affected Packages:

protobuf

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 protobuf to update your system.

New Packages:

aarch64:  
    protobuf-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-compiler-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-devel-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-static-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-lite-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-lite-devel-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-lite-static-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-python-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-vim-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-emacs-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-emacs-el-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-java-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-javadoc-2.5.0-8.amzn2.0.3.aarch64  
    protobuf-debuginfo-2.5.0-8.amzn2.0.3.aarch64  
  
i686:  
    protobuf-2.5.0-8.amzn2.0.3.i686  
    protobuf-compiler-2.5.0-8.amzn2.0.3.i686  
    protobuf-devel-2.5.0-8.amzn2.0.3.i686  
    protobuf-static-2.5.0-8.amzn2.0.3.i686  
    protobuf-lite-2.5.0-8.amzn2.0.3.i686  
    protobuf-lite-devel-2.5.0-8.amzn2.0.3.i686  
    protobuf-lite-static-2.5.0-8.amzn2.0.3.i686  
    protobuf-python-2.5.0-8.amzn2.0.3.i686  
    protobuf-vim-2.5.0-8.amzn2.0.3.i686  
    protobuf-emacs-2.5.0-8.amzn2.0.3.i686  
    protobuf-emacs-el-2.5.0-8.amzn2.0.3.i686  
    protobuf-java-2.5.0-8.amzn2.0.3.i686  
    protobuf-javadoc-2.5.0-8.amzn2.0.3.i686  
    protobuf-debuginfo-2.5.0-8.amzn2.0.3.i686  
  
src:  
    protobuf-2.5.0-8.amzn2.0.3.src  
  
x86_64:  
    protobuf-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-compiler-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-devel-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-static-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-lite-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-lite-devel-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-lite-static-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-python-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-vim-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-emacs-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-emacs-el-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-java-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-javadoc-2.5.0-8.amzn2.0.3.x86_64  
    protobuf-debuginfo-2.5.0-8.amzn2.0.3.x86_64  

Additional References

Red Hat: CVE-2021-22570

Mitre: CVE-2021-22570