Medium: hivex

Issue Overview:

A flaw was found in the hivex library. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry (hive) file which would cause hivex to read memory beyond its normal bounds or cause the program to crash. The highest threat from this vulnerability is to system availability. (CVE-2021-3504)

Affected Packages:

hivex

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 hivex to update your system.

New Packages:

aarch64:  
    hivex-1.3.10-6.11.amzn2.aarch64  
    hivex-devel-1.3.10-6.11.amzn2.aarch64  
    ocaml-hivex-1.3.10-6.11.amzn2.aarch64  
    ocaml-hivex-devel-1.3.10-6.11.amzn2.aarch64  
    perl-hivex-1.3.10-6.11.amzn2.aarch64  
    python-hivex-1.3.10-6.11.amzn2.aarch64  
    ruby-hivex-1.3.10-6.11.amzn2.aarch64  
    hivex-debuginfo-1.3.10-6.11.amzn2.aarch64  
  
i686:  
    hivex-1.3.10-6.11.amzn2.i686  
    hivex-devel-1.3.10-6.11.amzn2.i686  
    ocaml-hivex-1.3.10-6.11.amzn2.i686  
    ocaml-hivex-devel-1.3.10-6.11.amzn2.i686  
    perl-hivex-1.3.10-6.11.amzn2.i686  
    python-hivex-1.3.10-6.11.amzn2.i686  
    ruby-hivex-1.3.10-6.11.amzn2.i686  
    hivex-debuginfo-1.3.10-6.11.amzn2.i686  
  
src:  
    hivex-1.3.10-6.11.amzn2.src  
  
x86_64:  
    hivex-1.3.10-6.11.amzn2.x86_64  
    hivex-devel-1.3.10-6.11.amzn2.x86_64  
    ocaml-hivex-1.3.10-6.11.amzn2.x86_64  
    ocaml-hivex-devel-1.3.10-6.11.amzn2.x86_64  
    perl-hivex-1.3.10-6.11.amzn2.x86_64  
    python-hivex-1.3.10-6.11.amzn2.x86_64  
    ruby-hivex-1.3.10-6.11.amzn2.x86_64  
    hivex-debuginfo-1.3.10-6.11.amzn2.x86_64  

Additional References

Red Hat: CVE-2021-3504

Mitre: CVE-2021-3504