Ubuntu 22.04 LTS / 24.04 LTS : GNU Screen vulnerabilities (USN-7978-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7978-1 advisory. It was discovered that GNU Screen incorrectly handled signals when setuid or setgid privileges were being used, which is not the default in...

USN-7978-1 screen vulnerabilities

It was discovered that GNU Screen incorrectly handled signals when setuid or setgid privileges were being used, which is not the default in Ubuntu. A local attacker could use this issue to send privileged signals, possibly leading to a denial of service. This issue only affected Ubuntu 22.04 LTS...