CVE-2020-24823 - Vulnerability Details - OpenCVE

Description

A vulnerability in the dwarf::to_string function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file.

Published: 2021-08-04

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:libelfin_project:libelfin:0.3:*:*:*:*:*:*:*

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-2020-17532	A vulnerability in the dwarf::to_string function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file.

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 0.00724.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/aclements/libelfin/issues/51
https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-dwarfto_string-at-dwarfvaluecc300

History

No history.

Subscriptions

Libelfin Project Libelfin

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-08-04T14:52:26.000Z

Updated: 2024-08-04T15:19:09.332Z

Reserved: 2020-08-28T00:00:00.000Z

Link: CVE-2020-24823

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-04T15:15:08.633

Modified: 2026-06-17T03:06:04.970

Link: CVE-2020-24823

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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