CVE-2021-27343 - Vulnerability Details - OpenCVE

Description

SerenityOS Unspecified is affected by: Buffer Overflow. The impact is: obtain sensitive information (context-dependent). The component is: /Userland/Libraries/LibCrypto/ASN1/DER.h Crypto::der_decode_sequence() function. The attack vector is: Parsing RSA Key ASN.1.

Published: 2021-04-06

Score: 7.5 High

EPSS: 1.7% Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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:o:serenityos:serenityos:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-14103	SerenityOS Unspecified is affected by: Buffer Overflow. The impact is: obtain sensitive information (context-dependent). The component is: /Userland/Libraries/LibCrypto/ASN1/DER.h Crypto::der_decode_sequence() function. The attack vector is: Parsing RSA Key ASN.1.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.01673.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511bd72c1
https://github.com/SerenityOS/serenity/issues/5317
https://github.com/SerenityOS/serenity/pull/5344

History

No history.

Subscriptions

Serenityos Serenityos

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-06T12:07:12.000Z

Updated: 2024-08-03T20:48:16.451Z

Reserved: 2021-02-16T00:00:00.000Z

Link: CVE-2021-27343

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-06T13:15:14.200

Modified: 2026-06-17T03:44:40.273

Link: CVE-2021-27343

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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