What is the CVSS score of CVE-2023-24626?

CVE-2023-24626 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2023-24626?

Yes, a public proof-of-concept exploit is available for CVE-2023-24626. Prioritise patching immediately. EPSS: 0.5%.

Is there a patch available for CVE-2023-24626?

Yes, a patch is available for CVE-2023-24626. Update the affected software to the latest version immediately.

Screen CVE-2023-24626

MEDIUM

Incorrect Permission Assignment for Critical Resource (CWE-732)

2023-04-08 cve@mitre.org

Denial Of Service Screen

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Apr 08, 2023 - 05:15 nvd

MEDIUM 6.5

DescriptionNVD

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.

AnalysisAI

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,. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Incorrect Permission Assignment (CWE-732), which allows attackers to access resources due to misconfigured permissions. 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. Affected products include: Gnu Screen. Version information: through 4.9.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Review and restrict file/resource permissions, apply principle of least privilege.