What is the CVSS score of CVE-2023-30858?

CVE-2023-30858 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.2%.

Is there a public PoC exploit available for CVE-2023-30858?

Yes, a public proof-of-concept exploit is available for CVE-2023-30858. Prioritise patching immediately. EPSS: 1.2%.

Is there a patch available for CVE-2023-30858?

Yes, a patch is available for CVE-2023-30858. Update the affected software to the latest version immediately.

Emoji CVE-2023-30858

HIGH

Inefficient Regular Expression Complexity (ReDoS) (CWE-1333)

2023-04-28 security-advisories@github.com

Denial Of Service Emoji

7.5

CVSS 3.1 · 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:3.1/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

Apr 28, 2023 - 21:15 nvd

HIGH 7.5

DescriptionNVD

The Denosaurs emoji package provides emojis for dinosaurs. Starting in version 0.1.0 and prior to version 0.3.0, the reTrimSpace regex has 2nd degree polynomial inefficiency, leading to a delayed response given a big payload. The issue has been patched in 0.3.0. As a workaround, avoid using the replace, unemojify, or strip functions.

AnalysisAI

The Denosaurs emoji package provides emojis for dinosaurs. 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-1333. The Denosaurs emoji package provides emojis for dinosaurs. Starting in version 0.1.0 and prior to version 0.3.0, the reTrimSpace regex has 2nd degree polynomial inefficiency, leading to a delayed response given a big payload. The issue has been patched in 0.3.0. As a workaround, avoid using the replace, unemojify, or strip functions. Affected products include: Denosaurs Emoji. Version information: version 0.1.0.

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.