Low: screen

Issue Overview:

socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a denial of service or disruption of the target process. (CVE-2023-24626)

Affected Packages:

screen

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 screen to update your system.

New Packages:

aarch64:  
    screen-4.1.0-0.27.20120314git3c2946.amzn2.0.1.aarch64  
    screen-debuginfo-4.1.0-0.27.20120314git3c2946.amzn2.0.1.aarch64  
  
i686:  
    screen-4.1.0-0.27.20120314git3c2946.amzn2.0.1.i686  
    screen-debuginfo-4.1.0-0.27.20120314git3c2946.amzn2.0.1.i686  
  
src:  
    screen-4.1.0-0.27.20120314git3c2946.amzn2.0.1.src  
  
x86_64:  
    screen-4.1.0-0.27.20120314git3c2946.amzn2.0.1.x86_64  
    screen-debuginfo-4.1.0-0.27.20120314git3c2946.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2023-24626

Mitre: CVE-2023-24626