socket.c in GNU Screen through 4.9.0, when installed... · CVE-2023-24626 · GitHub Advisory Database · GitHub

socket.c in GNU Screen through 4.9.0, when installed...

High severity Unreviewed Published Apr 8, 2023 to the GitHub Advisory Database • Updated Apr 14, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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.

References

Published by the National Vulnerability Database

Apr 8, 2023

Published to the GitHub Advisory Database Apr 8, 2023

Last updated Apr 14, 2023

Severity

High

7.8

/ 10

CVSS base metrics

Attack vector

Local

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H