CVE-2020-23914 - Vulnerability Details - OpenCVE

Description

An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.

Published: 2021-04-21

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:cpp-peglib_project:cpp-peglib:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-16651	An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00165.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3
https://github.com/yhirose/cpp-peglib/issues/121

History

No history.

Subscriptions

Cpp-peglib Project Cpp-peglib

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-21T17:41:06.000Z

Updated: 2024-08-04T15:05:11.362Z

Reserved: 2020-08-13T00:00:00.000Z

Link: CVE-2020-23914

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-21T18:15:08.237

Modified: 2024-11-21T05:14:13.580

Link: CVE-2020-23914

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

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