Important: exiv2

Issue Overview:

A flaw was found in exiv2. A flawed bounds checking in the jp2Image.cpp:doWriteMetadata function leads to a heap-based buffer overflow. This flaw allows an attacker who can provide a malicious image to an application using the exiv2 library, to write data out of bounds and potentially execute code. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2021-31291)

Affected Packages:

exiv2

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 exiv2 to update your system.

New Packages:

aarch64:  
    exiv2-0.27.0-4.amzn2.0.1.aarch64  
    exiv2-devel-0.27.0-4.amzn2.0.1.aarch64  
    exiv2-libs-0.27.0-4.amzn2.0.1.aarch64  
    exiv2-debuginfo-0.27.0-4.amzn2.0.1.aarch64  
  
i686:  
    exiv2-0.27.0-4.amzn2.0.1.i686  
    exiv2-devel-0.27.0-4.amzn2.0.1.i686  
    exiv2-libs-0.27.0-4.amzn2.0.1.i686  
    exiv2-debuginfo-0.27.0-4.amzn2.0.1.i686  
  
noarch:  
    exiv2-doc-0.27.0-4.amzn2.0.1.noarch  
  
src:  
    exiv2-0.27.0-4.amzn2.0.1.src  
  
x86_64:  
    exiv2-0.27.0-4.amzn2.0.1.x86_64  
    exiv2-devel-0.27.0-4.amzn2.0.1.x86_64  
    exiv2-libs-0.27.0-4.amzn2.0.1.x86_64  
    exiv2-debuginfo-0.27.0-4.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2021-31291

Mitre: CVE-2021-31291