What is the CVSS score of CVE-2018-1123?

CVE-2018-1123 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 9.1%.

Is there a public PoC exploit available for CVE-2018-1123?

Yes, a public proof-of-concept exploit is available for CVE-2018-1123. Prioritise patching immediately. EPSS: 9.1%.

Is there a patch available for CVE-2018-1123?

Yes, a patch is available for CVE-2018-1123. Update the affected software to the latest version immediately.

Procps Ng CVE-2018-1123

HIGH

Heap-based Buffer Overflow (CWE-122)

2018-05-23 secalert@redhat.com

Heap Overflow Denial Of Service Buffer Overflow Procps Ng Ubuntu Linux Debian Linux

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

May 23, 2018 - 14:29 nvd

HIGH 7.5

DescriptionNVD

procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).

AnalysisAI

procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-122. procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service). Affected products include: Procps-Ng Project Procps-Ng, Canonical Ubuntu Linux, Debian Debian Linux. Version information: version 3.3.15.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.