What is the CVSS score of CVE-2023-2253?

CVE-2023-2253 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.9%.

Is there a patch available for CVE-2023-2253?

Yes, a patch is available for CVE-2023-2253. Update the affected software to the latest version immediately.

Openshift Container Platform CVE-2023-2253

Q: Which versions of Openshift Container Platform are affected by CVE-2023-2253?

A flaw was found in the `/v2/_catalog` endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: `n`).. A patch is available.

MEDIUM

Undefined Behavior for Input to API (CWE-475)

2023-06-06 secalert@redhat.com

Denial Of Service Red Hat Openshift Container Platform Openshift Developer Tools And Services Openshift Api For Data Protection

6.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-475 ASVS 5.0 V15 - Secure Coding and Architecture Undefined behavior for input
Impact	CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.9% exploitation probability (EPSS)

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AnalysisAI

A flaw was found in the /v2/_catalog endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: n). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

go github.com/distribution/distribution fix: 2.8.2-beta.1+incompatible

go github.com/docker/distribution fix: 2.8.2-beta.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in go

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-475. A flaw was found in the /v2/_catalog endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: n). This vulnerability allows a malicious user to submit an unreasonably large value for n, causing the allocation of a massive string array, possibly causing a denial of service through excessive use of memory. Affected products include: Redhat Openshift Api For Data Protection, Redhat Openshift Container Platform, Redhat Openshift Developer Tools And Services.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

A flaw was found in the /v2/_catalog endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: n). This vulnerability allows a malicious user to submit an unreasonably large value for n, causing the allocation of a massive string array, possibly causing a denial of service through excessive use of memory.

Threat Intelligence Overview

EPSS Score

0.9%

Top 43% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.9%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +32

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:redhat:openshift_api_for_data_protection:-:*:*:*:*:*:*:*

cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:openshift_developer_tools_and_services:-:*:*:*:*:*:*:*

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Same weakness CWE-475 – Undefined Behavior for Input to API

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References

Advisories & patches

REF https://bugzilla.redhat.com/show_bug.cgi?id=2189886 REF https://lists.debian.org/debian-lts-announce/2023/06/msg00035.html

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