Low: elfutils

Issue Overview:

In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file. (CVE-2021-33294)

Affected Packages:

elfutils

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 elfutils to update your system.

New Packages:

aarch64:  
    elfutils-0.176-2.amzn2.0.1.aarch64  
    elfutils-libs-0.176-2.amzn2.0.1.aarch64  
    elfutils-devel-0.176-2.amzn2.0.1.aarch64  
    elfutils-devel-static-0.176-2.amzn2.0.1.aarch64  
    elfutils-libelf-0.176-2.amzn2.0.1.aarch64  
    elfutils-libelf-devel-0.176-2.amzn2.0.1.aarch64  
    elfutils-libelf-devel-static-0.176-2.amzn2.0.1.aarch64  
    elfutils-debuginfo-0.176-2.amzn2.0.1.aarch64  
  
i686:  
    elfutils-0.176-2.amzn2.0.1.i686  
    elfutils-libs-0.176-2.amzn2.0.1.i686  
    elfutils-devel-0.176-2.amzn2.0.1.i686  
    elfutils-devel-static-0.176-2.amzn2.0.1.i686  
    elfutils-libelf-0.176-2.amzn2.0.1.i686  
    elfutils-libelf-devel-0.176-2.amzn2.0.1.i686  
    elfutils-libelf-devel-static-0.176-2.amzn2.0.1.i686  
    elfutils-debuginfo-0.176-2.amzn2.0.1.i686  
  
noarch:  
    elfutils-default-yama-scope-0.176-2.amzn2.0.1.noarch  
  
src:  
    elfutils-0.176-2.amzn2.0.1.src  
  
x86_64:  
    elfutils-0.176-2.amzn2.0.1.x86_64  
    elfutils-libs-0.176-2.amzn2.0.1.x86_64  
    elfutils-devel-0.176-2.amzn2.0.1.x86_64  
    elfutils-devel-static-0.176-2.amzn2.0.1.x86_64  
    elfutils-libelf-0.176-2.amzn2.0.1.x86_64  
    elfutils-libelf-devel-0.176-2.amzn2.0.1.x86_64  
    elfutils-libelf-devel-static-0.176-2.amzn2.0.1.x86_64  
    elfutils-debuginfo-0.176-2.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2021-33294

Mitre: CVE-2021-33294