What is the CVSS score of CVE-2022-25918?

CVE-2022-25918 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-2022-25918?

Yes, a public proof-of-concept exploit is available for CVE-2022-25918. Prioritise patching immediately. EPSS: 1.2%.

Is there a patch available for CVE-2022-25918?

Yes, a patch is available for CVE-2022-25918. Update the affected software to the latest version immediately.

Shescape CVE-2022-25918

HIGH

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

2022-10-27 report@snyk.io

Denial Of Service Shescape

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

Oct 27, 2022 - 10:15 nvd

HIGH 7.5

DescriptionNVD

AnalysisAI

The package shescape from 1.5.10 and before 1.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the escape function in index.js, due to the usage of insecure regex in the. 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 package shescape from 1.5.10 and before 1.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the escape function in index.js, due to the usage of insecure regex in the escapeArgBash function. Affected products include: Shescape Project Shescape. Version information: before 1.6.1.

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.